Alkaline sentence example

alkaline
  • Soaps give an alkaline reaction and have a decided acrid taste; in a pure condition - a state never reached in practice - they have neither smell nor colour.
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  • The oxides of type RO are soluble in water, the solution possessing a strongly alkaline reaction and rapidly absorbing carbon dioxide on exposure; they are basic in character and dissolve readily in acids with the formation of the corresponding salts.
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  • Acids have practically no action on the metal, but it is soluble in solutions of the alkaline hypochlorites.
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  • It forms double chlorides with the alkaline chlorides.
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  • Germanium compounds on fusion with alkaline carbonates and sulphur form salts known as thiogermanates.
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  • Its property of absorbing large proportions of water, up to 80%, and yet present the appearance of a hard solid body, makes the material a basis for the hydrated soaps, smooth and marbled, in which water, sulphate of soda, and other alkaline solutions, soluble silicates, fuller's earth, starch, &c. play an important and bulky part.
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  • Amongst the mineral springs worth mentioning are the sulphur springs at Ullersdorf, the saline ones at Luhatschowitz and the alkaline springs at TOplitz.
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  • Ammonia, recognizable by its odour and alkaline reaction, indicates ammoniacal salts or cyanides containing water.
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  • Plumbic acid, Pb0(OH) 21 is obtained as a bluish-black, lustrous body of electrolysing an alkaline solution of lead sodium tartrate.
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  • In this process cellulose (in the form of sawdust) is made into a stiff paste with a mixture of strong caustic potash and soda solution and heated in flat iron pans to 20o-250 C. The somewhat dark-coloured mass is lixiviated with a small amount of warm water in order to remove excess of alkali, the residual alkaline oxalates converted into insoluble calcium oxalate by boiling with milk of lime, the lime salt separated, and decomposed by means of sulphuric acid.
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  • Potassium persulphate oxidizes it in alkaline solution, the product on boiling with acids giving hydroquiirone carboxylic acid (German Patent 81,297).
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  • The springs are principally alkaline, alkaline and siliceous, acidic, or acidic and hepatic (sulphurous).
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  • Ketoximes are usually rather more difficult to prepare than aldoximes, and generally require the presence of a fairly concentrated alkaline solution.
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  • This may be effected by burning phosphorus in a confined volume of air, by the action of an alkaline solution of pyrogallol on air, by passing air over heated copper, or by the action of copper on air in the presence of ammoniacal solutions.
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  • In acid solution, potassium permanganate oxidizes it to nitric acid, but in alkaline solution only to nitrous acid.
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  • It is readily decomposed by water and alkaline hydroxides, yielding a mixture of nitrite and chloride.
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  • That is, the concentration of H-ions decreases and that of the HO-ions increases; the water becomes more alkaline because the carbonic acid of the bicarbonate has been abstracted by the phytoplankton to the extent that normal carbonate is left.
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  • Window glass exposed to alkaline vapours often shows a thin iridescent surface film which is supposed to be due to crystallization; the same change is found in pieces of Roman glass which have been dug out of the ruins of Pompeii.
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  • He also found that the liquid round the anode became acid, and that round the cathode alkaline.
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  • Barreswil found that a strongly alkaline solution of copper sulphate and potassium sodium tartrate (Rochelle salt) remained unchanged on boiling, but yielded an immediate precipitate of red cuprous oxide when a solution of glucose was added.
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  • The latex exhibits a neutral, acid or alkaline reaction depending upon the plant from which it has been obtained.
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  • In British Honduras an alkaline decoction prepared from the Moon plant (Calonictyon speciosum) is used for the same purpose.
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  • Treatment with a warm alkaline solution is afterwards advisable, in order to remove traces of hydrochloric acid generated during the process.
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  • Water when absolutely pure has no action on lead, but in the presence of air the lead is quickly attacked, with formation of the hydrate, Pb(OH) 2, which is appreciably soluble in water forming an alkaline liquid.
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  • It combines with alkaline chlorides - potassium, rubidium and caesium - to form crystalline plumbichlorides; it also forms a crystalline compound with quinoline.
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  • Another process depends upon the formation of lead chloride by grinding together litharge with salt and water, and then treating the alkaline fluid with carbon dioxide until it is neutral.
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  • An aqueous solution readily dissolves lead oxide, with formation of a strongly alkaline solution containing basic acetates (Acetum Plumbi or Saturni).
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  • The hydrogen in the primary and secondary nitro compounds which is attached to the same carbon atom as the nitro group is readily replaced by bromine in alkaline solution.
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  • In acid solution, amines are obtained, in alkaline solution, azoxy, azo and hydrazo compounds, and in neutral solution hydroxylamino compounds.
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  • Cold mineral springs are at Bartfa, with alkaline ferruginous waters; Czigelka, with iodate waters; Parad, with ferruginous and sulphate springs; Koritnicza or Korytnica, with strong iron springs; and the mineral springs of Budapest.
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  • It combines readily with alkaline and other chlorides to form double salts, e.g.
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  • Stannic sulphide, SnS 2, is obtained by heating a mixture of tin (or, better, tin amalgam), sulphur and sal-ammoniac in proper proportions in the beautiful form of aurum musivum (mosaic gold) - a solid consisting of golden yellow, metallic lustrous scales, and used chiefly as a yellow "bronze" for plaster-of-Paris statuettes, &c. The yellow precipitate of stannic sulphide obtained by adding sulphuretted hydrogen to a stannic solution readily dissolves in solutions of the alkaline sulphides to form thiostannates of the formula M 2 SnS 31 the free acid, H2SnS3, may be obtained as an almost black powder by drying the yellow precipitate formed when hydrochloric acid is added to a solution of a thiostannate.
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  • Dropsical liquids are usually pale yellow or greenish, limpid, with a saltish taste and alkaline reaction, and a specific gravity ranging from 1005 to 1024.
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  • The action is very rapid, and the product, which rises to the top of the acids, is separated and washed successively with cold and then tepid water, and finally with water made slightly alkaline with sodium carbonate or hydroxide, to remove all adhering or dissolved acids which would otherwise render the product very unstable.
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  • Some glycerin may be re-formed, but with very strong alkaline solutions little of the glycerin molecule escapes destruction, oxalic acid and several other products resulting.
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  • The explanation is that in an alkaline medium at body heat nitroglycerin yields a nitrite, probably as a preliminary stage of resolution.
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  • Nitroglycerin shaken up with warm very dilute alkaline solutions, as sodium carbonate, for a few minutes only, always yields sufficient nitrite to give the diazoreaction; and, as stated, strong alkaline solutions always produce some nitrite as one of the decomposition products.
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  • Sometimes acid sometimes alkaline properties predominated in the juices and secretions of the body, and produced corresponding disturbances.
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  • They combine readily with the alkyl iodides to form alkyl acridinium iodides, which are readily transformed by the action of alkaline potassium ferricyanide to N-alkyl acridones.
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  • Magnesian limestone mixed and fused with sand and an alkaline carbonate produces a permanent glass.
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  • It is found in the form of oxide (silica), either anhydrous or hydrated as quartz, flint, sand, chalcedony, tridymite, opal, &c., but occurs chiefly in the form of silicates of aluminium, magnesium, iron, and the alkali and alkaline earth metals, forming the chief constituent of various clays, soils and rocks.
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  • On fusion with alkaline carbonates and hydroxides it undergoes oxidation to silica which dissolves on the excess of alkali yielding an alkaline silicate.
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  • When heated with the alkali and alkaline earth metals it yields silicon and the corresponding metallic chlorides.
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  • The acid carbonates of the alkali metals can be prepared by saturating an aqueous solution of the alkaline hydroxide with carbon dioxide, M OH+ C02= Mhco 3, and from these acid salts the normal salts may be obtained by gentle heating, carbon dioxide and water being produced at the same time, 2Mhco 3 = M2C03+H02+C02.
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  • Most other carbonates are formed by precipitation of salts of the metals by means of alkaline carbonates.
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  • The alkaline carbonates undergo only a very slight decomposition, even at a very bright red heat.
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  • It is not very stable, water decomposing it into alcohol and the alkaline carbonate.
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  • The metals of the alkalis and alkaline earths, also magnesium, burn in sulphur vapour as they do in oxygen.
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  • It reduces ammoniacal silver solutions in the cold, and alkaline copper solutions on boiling.
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  • In some factories for refining sugar made from beet or canes this system of carbonatation is used, and enables the refiner to work with syrups distinctly alkaline and to economize a notable amount of animal charcoal.
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  • These nitrates generally occur as efflorescences caused by the oxidation of nitrogenous matter in the presence of the alkalies and alkaline earths.
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  • With ammonia and alkaline bromides and iodides double salts are formed.
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  • The alkaline titanate first produced is converted into crystalline fluotitanate, K 2 TiF 6, which is with difficulty soluble and is extracted with hot water and filtered off.
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  • If titanic oxide be fused with excess of alkaline carbonate a titanate, R 2 T103, is formed.
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  • By warming its aqueous solution with an excess of silver oxide it is converted into tetramethylammonium hydroxide, N(CH3)40H, which crystallizes in hygroscopic needles, and has a very alkaline reaction.
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  • It is basic in character, and has a strongly alkaline reaction.
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  • In common with Gay Lussac and Davy, he held subterraneous thermic disturbances to be probably due to the contact of water with metals of the alkalis and alkaline earths.
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  • It may be obtained crystalline by fusing the anhydrous chloride with a large excess of potassium hydrogen fluoride or by heating the amorphous variety to redness with an excess of an alkaline chloride.
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  • When boiled with alkaline carbonates it is converted into strontium carbonate.
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  • The causticity of alkaline bodies was explained at that time as depending on the presence in them of the principle of fire, "phlogiston"; quicklime, for instance, was chalk which had taken up phlogiston, and when mild alkalis such as sodium or potassium carbonate were causticized by its aid, the phlogiston was supposed to pass from it to them.
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  • The best known mineral springs are the alkaline springs of Rohitsch and Gleichenberg, the brine springs of Aussee, and the thermal springs of Tiiffer, Neuhaus and Tobelbad.
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  • When an alkaline chloride, say sodium chloride, is electrolysed with one electrode immersed in a porous cell, while caustic soda is formed at the cathode, chlorine is deposited at the anode.
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  • It is obvious that, with suitable methods and apparatus, the electrolysis of alkaline chlorides may be made to yield chlorine, hypochlorites (bleaching liquors), chlorates or caustic alkali, but that great care must be exercised if any of these products is to be obtained pure and with economy.
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  • Many electrolytic methods have been proposed for the purification of sugar; in some of them soluble anodes are used for a few minutes in weak alkaline solutions, so that the caustic alkali from the cathode reaction may precipitate chemically the hydroxide of the anode metal dissolved in the liquid, the precipitate carrying with it mechanically some of the impurities present, and thus clarifying the solution.
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  • Of the general characters of acids we may here notice that they dissolve alkaline substances, certain metals, &c., neutralize alkalies and redden many blue and violet vegetable colouring matters.
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  • An alkaline mineral spring, resembling the seltzer water of Germany, was discovered in 1830, and baths were then erected, which, however, were subsequently closed.
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  • Fusion with an alkaline bisulphate converts the silver into the sulphate, which may be extracted by boiling with sulphuric acid and then with water.
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  • When reduced by sodium in boiling amyl alcohol solution it forms alicyclic tetrahydro-0naphthylamine, which has most of the properties of the aliphatic amines; it is strongly alkaline in reaction, has an ammoniacal odour and cannot be diazotized.
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  • It is precipitated as the metal from solutions of its salts by the metals of the alkalis and alkaline earths, zinc, iron, copper, &c. In its chemical affinities it resembles arsenic and antimony; an important distinction is that it forms no hydrogen compound analogous to arsine and stibine.
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  • The basic carbonate, 2(B10) 2 CO 3 4H 2 O, obtained as a white precipitate when an alkaline carbonate is added to a solution of bismuth nitrate, is employed in medicine.
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  • The metal can be reduced by magnesium, zinc, cadmium, iron, tin, copper and substances like hypophosphorous acid from acid solutions or from alkaline ones by formaldehyde.
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  • In connexion with the ovipositor are two poison-glands, one acid and the other alkaline in its secretion.
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  • The alkaline gland is an irregular tube with a single cellular layer, its duct opening alongside that of the acid reservoir.
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  • The alkaline tellurites are soluble in water.
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  • Telluric acid, H2Te04, is obtained in the form of its salts when tellurium is fused with potassium carbonate and nitre, or by the oxidizing action of chlorine on a tellurite in alkaline solution.
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  • Tantalum is not affected by alkaline solutions, but is disintegrated when fused with potash.
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  • The normal salts are all insoluble in water; the complex acid, hexatantalic acid, H $ Ta 6 0, 9 (which does not exist in the free state), forms soluble salts with the alkaline metals.
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  • Its double salts with the alkaline fluorides are very important, and serve for the separation of the metal from columbium and titanium.
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  • In a smaller degree these alkaline properties are shared by the less soluble hydrates of the "metals of the alkaline earths," calcium, barium and strontium, and by thallium hydrate.
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  • Since 1851 it has been known that all sea-water has an alkaline reaction, and Torniie defined the alkalinity of sea-water as the amount of carbonic acid which is necessary to convert the excess of bases into normal carbonate.
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  • It forms double salts with the alkaline sulphates.
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  • The amount of methyl alcohol present in wood spirit is determined by converting it into methyl iodide by acting with phosphorus iodide; and the acetone by converting it into iodoform by boiling with an alkaline solution of iodine in potassium iodide; ethyl alcohol is detected by giving acetylene on heating with concentrated sulphuric acid, methyl alcohol, !under the same circumstances, giving methyl ether.
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  • The tetroxide, 0s04, can be easily reduced to the metal by dissolving it in hydrochloric acid and adding zinc, mercury, or an alkaline formate to the liquid, or by passing its vapour, mixed with carbon dioxide and monoxide, through a red-hot porcelain tube.
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  • Potassium osmiate, K 2 0sO 4 2H 2 0, formed when an alkaline solution of the tetroxide is decomposed by alcohol, or by potassium nitrite, crystallizes in red octahedra.
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  • It is a brownish black solid, insoluble in solutions of the alkaline sulphides.
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  • The monometallic salts are strongly acid, the dimetallic are neutral or faintly alkaline, whilst the soluble trimetallic salts are strongly alkaline.
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  • The monometallic salts of the alkalis and alkaline earths may be obtained in crystal form, but those of the heavy metals are only stable when in solution.
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  • If the heating be with charcoal, the trimetallic salts of the alkalis and alkaline earths are unaltered, whilst the monoand di-salts give free phosphorus and a trimetallic salt.
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  • In its neighbourhood, surrounded by pine forests, are the baths of Bartfa, with twelve mineral springs - iodate, ferruginous and alkaline - used for bathing and drinking.
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  • In its chemical properties it closely resembles barium and strontium, and to some degree magnesium; these four elements comprise the so-called metals of the "alkaline earths."
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  • Calcium is not precipitated by sulphuretted hydrogen, but falls as the carbonate when an alkaline carbonate is added to a solution.
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  • Priestley in 1774 and was termed by him "alkaline air."
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  • It is obtained by the dry distillation of nitrogenous vegetable and animal products; by the reduction of nitrous acid and nitrites with nascent hydrogen; and also by the decomposition of ammonium salts by alkaline hydroxides or by slaked lime, the salt most generally used being the chloride (sal-ammoniac, q.v.) thus 2NH 4 C1+Ca(OH) 2 =CaC1 2 +2H 2 O+2NH 3.
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  • The aqueous solution of this salt liberates carbon dioxide on exposure to air or on heating, and becomes alkaline in reaction.
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  • The fluorides of the alkali metals, of silver, and of most of the heavy metals are soluble in water; those of the alkaline earths are insoluble.
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  • A characteristic property of the alkaline fluorides is their power of combining with a molecule of hydrofluoric acid and with the fluorides of the more electro-negative elements to form double fluorides, a behaviour not shown by other metallic halides.
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  • Proctor in 1877 directed attention to the composition of the slag resulting from the burning of esparto, which they found to be strikingly similar to that of average medical bottle glass, the latter yielding on analysis 66.3% of silica and 25.1% of alkalies and alkaline.
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  • About Szegedin in Hungary and all over the vast pusztas (steppes) between the Theiss and the Danube, and from the Theiss up to and beyond Debreczin, the soil contains sodium carbonate, which frequently assumes the form of crude alkaline crusts, called "szekso," and of small saline ponds.
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  • It is very soluble in water, yielding a strongly alkaline solution; it also dissolves in alcohol.
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  • They are strong oxidizing agents and yield alkaline solutions which readily evolve oxygen on heating.
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  • The anhydrous salt is a colourless powder or porous mass, having an alkaline taste and reaction.
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  • In visceral gout and chronic catarrhal conditions of the stomach a course of alkaline waters is distinctly beneficial.
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  • The gas is rapidly absorbed by solutions of the caustic alkalis, with the production of alkaline carbonates (q.v.), and it combines readily with potassium hydride to form potassium formate.
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  • It Is Easily Soluble In Solutions Of The Caustic Alkalis, Provided They Are Not Too Concentrated, Forming Solutions Of Alkaline Carbonates And Sulphides, Cos 4Kho = K2C03 K 2 S 2H20.
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  • The solution is intensely "alkaline" to testpapers.
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  • The commercial salt usually has an alkaline reaction; it may be purified by dissolving in the minimum amount of water, and neutralizing with dilute sulphuric acid; alcohol is now added to precipitate the potassium sulphate, the solution filtered and crystallized.
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  • Potassium sulphate, K2S04, a salt known early in the 14th century, and studied by Glauber, Boyle and Tachenius, was styled in the 17th century arcanum or sal duplicatum, being regarded as a combination of an acid salt with an alkaline salt.
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  • The duchy contains also a great number of mineral springs, as the celebrated springs at Gastein, alkaline springs at Mauterndorf and at St Wolfgang, and saline springs at Golling and Hallein.
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  • In making the acid by this process benzaldehyde, acetic anhydride and anhydrous sodium acetate are heated for some hours to about 180 C., the resulting product is made alkaline with sodium carbonate, and any excess of benzaldehyde removed by a current of steam.
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  • The kelp obtained by any of these methods is then lixiviated with water, which extracts the soluble salts, and the liquid is concentrated, when the less soluble salts, which are chiefly alkaline chlorides, sulphates and carbonates, crystallize out and are removed.
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  • Sulphuric acid is now added to the liquid, and any alkaline sulphides and sulphites present are decomposed, while iodides and bromides are converted into sulphates, and hydriodic and hydrobromic acids are liberated and remain dissolved in the solution.
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  • It is only very sparingly soluble in water, but dissolves readily in solutions of the alkaline iodides and in alcohol, ether, carbon bisulphide, chloroform, and many liquid hydrocarbons.
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  • Its solutions in the alkaline iodides and in alcohol and ether are brown in colour, whilst in chloroform and carbon bisulphide the solution is violet.
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  • The alkali and alkaline earth cyanides are soluble in water and in alcohol, and their aqueous solution, owing to hydrolytic dissociation, possesses an alkaline character.
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  • The older processes for the commercial preparation of this salt, which were based on the ignition of nitrogenous substances with an alkaline carbonate and carbon, have almost all been abandoned, since it is more profitable to prepare the salt from the byproducts obtained in the manufacture of illuminating gas.
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  • It crystallizes in dark red prisms which are readily soluble in water; it is a valuable reagent for the detection of sulphur, this element when in the form of an alkaline sulphide giving a characteristic purple blue coloration with the nitroprusside.
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  • The amount of hydrocyanic acid in a solution may be determined by adding excess of caustic potash and a small quantity of an alkaline chloride, and running into the dilute solution standard silver nitrate until a faint permanent turbidity (of silver chloride) is produced, that is, until the reaction, 2KNC+AgNO 3 = KAg(NC) 2 - -KNO 3, is completed.
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  • In such cases the waters are alkaline, and contain various salts in solution which are deposited as a white rim round the basin towards the end of the summer when the amount of water has been greatly reduced by evaporation.
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  • In the central southern regions the climate is arid enough to permit of " alkaline " ponds and lakes, which may completely dry up in summer, and where a supply of drinking-water is often hard to obtain, though the land itself is fertile.
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  • Chromium and its salts may be detected by the fact that they give a deep green bead when heated with borax, or that on fusion with sodium carbonate and nitre, a yellow mass of an alkaline chromate is obtained, which, on solution in water and acidification with acetic acid, gives a bright yellow precipitate on the addition of soluble lead salts.
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  • Chromic acid and its salts, the chromates and bichromates, can be detected by the violet coloration which they give on addition of hydrogen peroxide to their dilute acid solution, or by the fact that on distillation with concentrated sulphuric acid and an alkaline chloride, the red vapours of chromium oxychloride are produced.
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  • The yellow colour of normal chromates changes to red on the addition of an acid, but goes back again to yellow on making the solution alkaline.
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  • They may be prepared by the reduction of nitro compounds in alkaline solution (using zinc dust and alkali, or a solution of an alkaline stannite as a reducing agent); by oxidation of hydrazo compounds; or by the coupling of a diazotized amine and any compound of a phenolic or aminic type, provided that there is a free para position in the amine or phenol.
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  • The oxyazo compounds are prepared by adding a solution of a diazonium salt to a cold slightly alkaline solution of a phenol.
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  • It has the characteristic appearance of pure silk - a brilliant soft white body with a pearly lustre - insoluble in water, alcohol and ether, but it dissolves freely in concentrated alkaline solutions, mineral acids, strong acetic acid and in ammoniacal solution of oxide of copper.
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  • Silk is readily distinguished from wool and other animal fibres by the action of an alkaline solution of oxide of lead, which darkens wool, &c., owing to the sulphur they contain, but does not affect silk, which is free from that body.
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  • In the ordinary laboratory the Bunsen flame has become universal, and a number of substances, such as the salts of the alkalis and alkaline earths, show characteristic spectra when suitably placed in it.
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  • Dufour' discovered that the lines into which the band spectra of the fluorides of the alkaline earths may be resolved widen towards the red under increased pressure.
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  • The spectra, for instance, of the oxides and haloid salts of the alkaline earths show great resemblance to each other, the bands being similar and similarly placed.
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  • This compound condenses in alkaline solution with compounds containing the grouping - CH 2 - CO - to form quinoline or its derivatives; thus, with acetaldehyde it forms quinoline, and with acetone, a-methyl quinoline.
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  • It possesses an alkaline reaction and absorbs carbon dioxide.
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  • Magnesium chloride readily forms double salts with the alkaline chlorides.
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  • As alkaloids are insoluble in alkaline solutions, the oxide and carbonate - especially the former - may be given in alkaloidal poisoning.
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  • It possesses several mineral springs, of which the best known are the alkaline springs at Karlsbrunn.
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  • The country is dotted over with large and small lakes, generally salt or alkaline, and intersected by streams, and the soil is boggy and covered with tussocks of grass, thus resembling the Siberian tundra and the Pamirs.
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  • Hardy, who found that certain colloids did possess electric charges, the sign of which depended on whether the surrounding liquid was slightly acid or slightly alkaline.
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  • It has an alkaline reaction, and is a tertiary monacid base.
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  • It is not magnetic. It stands near the positive end of the list of elements arranged in electromotive series, being exceeded only by the alkalis and metals of the alkaline earths; it therefore combines eagerly, under suitable conditions, with oxygen and chlorine.
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  • Burnt clay has a very beneficial effect on clay land by improving its texture and rendering soluble the alkaline substances it contains.
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  • Alkaline potassium permanganate oxidizes it to phenyl-glyoxyl-ortho-carboxylic acid, H02C C6H4 CO.
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  • Benzene diazonium hydroxide, although a strong base, reacts with the alkaline hydroxides to form salts with the evolution of heat, and generally behaves as a weak acid.
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  • There is a mass of evidence to show that radium is to be regarded as an element, and in general its properties resemble those of the metals of the alkaline earths, more particularly barium.
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  • Machinery was invented for disintegrating the leaves and freeing the fibre, and at the same time experiments were made with the view of obtaining it by water-retting, and by means of alkaline solutions and other chemical agencies.
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  • Farms adjacent to the rivers were for a time increased in richness by the alkaline salts, which in diffuse form might be valuable plant foods, and then suddenly become valueless when the concentration of alkali had reached a degree beyond that which the ordinary plants would endure.
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  • The hydroxide Be(OH)2 separates as a white bulky precipitate on adding a solution of an alkaline hydroxide to a soluble beryllium salt; and like those of aluminium and zinc, this hydroxide is soluble in excess of the alkaline hydroxide, but is reprecipitated on prolonged boiling.
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  • Several basic carbonates are known, being formed by the addition of beryllium salts to solutions of the alkaline carbonates; the normal carbonate is prepared by passing a current of carbon dioxide through water containing the basic carbonate in suspension, the solution being filtered and concentrated over sulphuric acid in an atmosphere of carbon dioxide.
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  • Beryllium salts are easily soluble and mostly have a sweetish taste (hence the name Glucinum, from yXv,dc, sweet); they are readily precipitated by alkaline sulphides with formation of the white hydroxide, and may be distinguished from salts of all other metals by the solubility of the oxide in ammonium carbonate.
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  • Potassium bichromate and sulphuric acid oxidize it to carbon dioxide and acetic acid, while alkaline potassium permanganate oxidizes it to carbon dioxide.
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  • Alkaline potassium permanganate oxidizes it to a-oxyisobutyric acid, (CH 3) 2.
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  • The blue or green color was made by fritting together silica, lime, alkaline carbonate and copper carbonate; the latter varied from 3% in delicate blues to 20% in deep purple.blues.
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  • It crystallizes from its solution in long yellow needles, T10H or T10H-+H 2 0, which dissolve readily in water, forming an intensely alkaline solution, which acts as a caustic, and like it greedily absorbs carbonic acid from the atmosphere.
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  • Alkaline hypobromites or hypochlorites or nitrous acid decompose urea into carbon dioxide and nitrogen.
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  • In this reaction urea is heated in a dry tube until it gives off ammonia freely; the residue is dissolved in water, made alkaline with caustic soda, and a drop of copper sulphate solution is added, when a fine violet-red coloration is produced.
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  • Liebig (Ann., 18 53, 8 5, p. 289) precipitates dilute solutions of urea with a dilute standard solution of mercuric nitrate, using alkaline carbonate as indicator.
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  • Such mixtures are obtained by the action of alkaline hypochlorites on manganous salts, or by suspending manganous carbonate in water and passing chlorine through the mixture.
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  • The mineral springs, which yield bitter alkaline waters, are situated in the plain south of the Blocksberg, and are over 40 in number.
    0
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  • Its alkaline and sulphur-alkaline mineral waters, similar to those of Ems, Selters and Vichy, are much visited in summer.
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    0
  • When this takes place in an aqueous solution, the alkaline metal at once reacts with the water, so that a solution of an alkaline hydrate is formed while hydrogen escapes.
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  • A hot, concentrated solution of the alkaline chloride is treated by the electric current in large iron tanks which at the same time serve as cathodes.
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  • The alkaline liquid is now transferred to vacuum pans, constructed in such a manner that the unchanged chloride, which " salts out " during the concentration, can be removed without disturbing the vacuum, and here at last a concentrated pure solution of KOH or NaOH is obtained which is sold in this state, or " finished " as solid caustic in the manner described in the section treating of the Leblanc soda.
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  • This is the term applied to certain deposits of alkaline salts, or their solutions, which occur, sometimes in very large quantities, in various parts of the world.
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  • Its waters - hot alkaline springs about twenty in number - are used both for drinking and bathing, and are efficacious in chronic nervous disorders, feminine complaints and affections of the liver and respiratory organs.
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  • The sulphate combines with the alkaline sulphates to form double salts of the type Sc 2 (SO 4) 3.3K 2 SO 4.
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  • The metal is obtained from zinc blende (which only contains it in very small quantity) by dissolving the mineral in an acid, and precipitating the gallium by metallic zinc. The precipitate is dissolved in hydrochloric acid and foreign metals are removed by sulphuretted hydrogen; the residual liquid being then fractionally precipitated by sodium carbonate, which throws out the gallium before the zinc. This precipitate is converted into gallium sulphate and finally into a pure specimen of the oxide, from which the metal is obtained by the electrolysis of an alkaline solution.
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  • The gallium salts are precipitated by alkaline carbonates and by barium carbonate, but not by sulphuretted hydrogen unless in acetic acid solution.
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  • Alkaline potassium ferricyanide oxidizes it to picric acid.
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    0
  • The preparations of morphine are incompatible with salts of iron, copper and mercury, also with lime water and alkaline earths and substances containing tannin.
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  • Thorium chloride readily deliquesces on exposure and forms double salts with alkaline chlorides.
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    0
  • Thorium sulphate forms double salts with the alkaline sulphates.
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  • When prepared by the precipitation of nickel salts with alkaline sulphide in neutral solution it is a greyish black amorphous compound which readily oxidizes in moist air, forming a basic nickel sulphate.
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  • By precipitation of nickel salts with solutions of the alkaline carbonates, basic carbonates of variable composition are obtained.
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  • The popular name is applied to Owen's lake, at the end of Owen's river; to Mono lake, into which flow various streams rising in the Sierra between Mount Dana and Castle Peak; and to Death Valley, which contains the " sink " of the Amargosa river, and evidently was once an extensive lake, although now only a mud-flat in ordinary winters, and a dry, alkaline, desert plain in summer.
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  • The drainage of Lassen, Siskiyou and Modoc counties has no outlet to the sea and is collected in a number of great alkaline lakes.
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  • Of the salts, the normal tungstates are insoluble in water with the exception of the alkaline tungstates; they are usually amorphous, but some can be obtained in the crystalline form.
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  • While some of the more arid districts have soils so strongly alkaline as to be practically unreclaimable, there are extensive areas of fertile lands which only require irrigation to make them highly productive.
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  • In the form of alkaline chlorides it is found in sea-water and various spring waters, and in the tissues of animals and plants; while, as hydrochloric acid it is found in volcanic gases.
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    0
  • All the metallic chlorides, with the exception of those of the alkali and alkaline earth metals, are reduced either to the metallic condition or to that of a lower chloride on heating in a current of hydrogen; most are decomposed by concentrated sulphuric acid.
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  • Chlorides can be estimated quantitatively by conversion into silver chloride, or if in the form of alkaline chlorides (in the absence of other metals, and of any free acids) by titration with standard silver nitrate solution, using potassium chromate as an indicator.
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  • The alkaline perchlorates are isomorphous with the permanganates.
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  • Probably the polar regions alone do not fall within the category of the potentially productive, as even sandy and alkaline desert is rendered habitable where irrigation can be introduced; and vast tracts of fertile soil adapted for immediate exploitation, especially in the temperate zones, both north and south, only remain unpeopled because they are not yet wanted for colonization.
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  • By the action of bromine in alkaline solution it is converted into /3-aminopropionic acid.
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    0
  • Its solution has a bitter taste, alkaline reaction, and is laevorotatory.
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    0
  • The former, being soluble, is left in the water; but the latter, an insoluble body, is in part attached to the fibres, from which it is only separated by changing into soluble metapectic acid under the action of hot alkaline ley in the subsequent process of bleaching.
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  • A reddish-brown solution is obtained from solutions of copper chloride, stannous chloride and an alkaline tartrate (Lottermoser, Anorganische Colloide, 1901).
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  • It is obtained as a fine red crystalline precipitate by reducing an alkaline copper solution with sugar.
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  • Copper quadrantoxide, Cu 4 0, is an olive-green powder formed by mixing well-cooled solutions of copper sulphate and alkaline stannous chloride.
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    0
  • Normal cupric carbonate, CuCO 3, has not been definitely obtained, basic hydrated forms being formed when an alkaline carbonate is added to a cupric salt.
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    0
  • Hydrolysis by alkaline solutions gives a sugar and caffeic acid; whilst fusion with potassium hydroxide gives protocatechuic acid.
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  • The surface is made up of extensive plains covered with sand and deposits of alkaline salts, broken by ranges of barren hills having the appearance of spurs from the Andes, and by irregular lateral ranges in the vicinity of the main cordillera enclosing elevated saline plateaus.
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  • It is a white powder moderately soluble in cold water, readily soluble in hot water, the solution possessing an alkaline reaction and absorbing carbon dioxide readily.
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  • Simple alkaline waters containing carbonates, chiefly of sodium along with some magnesium and calcium, are drunk for their utility in gastric and intestinal disorders as well as in rheumatism and gout.
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    0
  • Alkaline waters containing a little common salt are perhaps even more important than the pure alkaline, as the salt lessens the depressing effect of the alkali.
    0
    0
  • In the solution, therefore, there is now an excess of hydroxyl ions; consequently it has an alkaline reaction and the litmus turns blue.
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  • The deposits formed by evaporation from these lakes and marshes or salines, are mixtures of borates, various alkaline salts (sodium carbonate, sulphate, chloride), gypsum, &c. In the mud of the lakes and in the surrounding marshy soil fine isolated crystals of borax are frequently found.
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  • It is much prized for bedsteads, writing-desks, shoe-lasts, &c. The wood forms excellent fuel and charcoal, while the ashes are rich in alkaline principles, furnishing a large proportion of the potash exported from Boston and New York.
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  • It possesses a feeble acid character, giving metantimoniates when heated with alkaline carbonates.
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    0
  • The amorphous variety may be obtained from the crystalline form by dissolving it in caustic potash or soda or in solutions of alkaline sulphides, and precipitating the hot solution by dilute sulphuric acid.
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    0
  • It forms a fine dark orange powder, insoluble in water, but readily soluble in aqueous solutions of the caustic alkalis and alkaline carbonates.
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    0
  • The stibonium iodide on treatment with moist silver oxide gives the corresponding tetramethyl stibonium hydroxide, Sb(CH 3)40H, which forms deliquescent crystals, of alkaline reaction, and absorbs carbon dioxide readily.
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    0
  • These soils are in general rich, but deficient in nitrogen and somewhat in humus; and in limited areas white alkaline salts are injuriously in excess.
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    0
  • The reaction of the media must in every case be carefully attended to, a neutral or slightly alkaline reaction being, as a rule, most suitable; for delicate work it may be necessary to standardize the reaction by titration methods.
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  • The insoluble matter is treated with a hot solution of alkaline ammonium acetate, which dissolves the lead sulphate, the other materials being separated by filtration.
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    0
  • It has an alkaline reaction and behaves as a tertiary, monacid base; its salts are soluble in water and alcohol.
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    0
  • Tannic acid, for instance, precipitates codeine as a tannate, salts of many of the heavy metals form precipitates of meconates and sulphates, whilst the various alkalis, alkaline carbonates and ammonia precipitate the important alkaloids.
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    0
  • It is almost insoluble in water, soluble in 50,000 parts of nitric acid, and more soluble in strong hydrochloric acid and solutions of alkaline chlorides.
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    0
  • It is reduced to metallic silver by certain metals - zinc, iron, &c. - in the presence of water, by fusion with alkaline carbonates or cyanides, by heating in a current of hydrogen, or by digestion with strong potash solution, or with potassium carbonate and grape sugar.
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  • It is deliquescent, and dissolves in half its weight of water to form a strongly alkaline liquid.
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  • He summed up his results in the general statement that "hydrogen, the alkaline substances, the metals and certain metallic oxides are attracted by negatively electrified metallic surfaces, and repelled by positively electrified metallic surfaces; and contrariwise, that oxygen and acid substances are attracted by positively electrified metallic surfaces and repelled by negatively electrified metallic surfaces; and these attractive and repulsive forces are sufficiently energetic to destroy or suspend the usual operation of elective affinity."
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  • As soon as he was able to work again he attempted to obtain the metals of the alkaline earths by the same methods as he had used for those of the fixed alkalis, but they eluded his efforts and he only succeeded in preparing them as amalgams with mercury, by a process due to Berzelius.
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  • It combines directly with nitrogen, phosphorus, antimony and carbon, and with all the metals (except gold) to form selenides, of which those of the alkali and alkaline earth metals are soluble in water.
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    0
  • It crystallizes in needles, possesses an alkaline reaction, and is readily decomposed by acids with liberation of selenium.
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  • In this sense alone quinine is a tonic. The hydrochloric acid of the gastric juice is stated to convert any salt of quinine into a chloride, and it seems probable that the absorption of quinine takes place mainly from the stomach, for when the drug reaches the alkaline secretions of the duodenum it is precipitated, and probably none of it is thereafter absorbed.
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  • Quinine hydrochloride circulates in the alkaline blood without precipitation, probably owing to the presence of carbonic acid in the blood.
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  • Lithium salts render the urine alkaline and are in virtue of their action diuretic. They are much prescribed for acute or chronic gout, and as a solvent to uric acid calculi or gravel, but their action as a solvent of uric acid has been certainly overrated, as it has been shown that the addition of medicinal doses of lithium to the blood serum does not increase the solubility of uric acid in it.
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  • It results in the alkaline fusion of many resins, and may be prepared by fusing ortho-phenolsulphonic acid, o-chlorphenol, o-bromphenol, and o-phenoldisulphonic acid with potash, or, better, by heating its methyl ether, guaiacol, C 6 H 4 (OH) (OCH 3), a constituent of beechwood tar, with hydriodic acid.
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  • Ferric chloride gives a green coloration with the aqueous solution, whilst the alkaline solution rapidly changes to a green and finally to a black colour on exposure to the air.
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  • It reduces silver solutions in the cold and alkaline copper on heating.
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  • For oxidizing purposes bromine is generally employed in aqueous and in alkaline solutions, one of its most important applications being by Emil Fischer (Berichte, 1889, 22, p. 362) in his researches on the sugars.
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  • There are altogether 12 mineral springs with saline, alkaline and ferruginous waters, of which the oldest and most important is the Franzensquelle.
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  • The sodium salt, Na 4 P 2 0 6.10H 2 O, forms monoclinic prisms and in solution is strongly alkaline; the acid salt, Na3HP206.9H20, forms monoclinic tablets.
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  • It may also be produced by heating an aqueous solution of di-iodosalicylic acid with excess of alkaline carbonate, by acting on dibromosalicylic acid with moist silver oxide, and by other methods.
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  • Bases of the alkali metals give with it four series of salts; these are stable except in alkaline solutions, in which they absorb oxygen and turn brown.
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  • During the wet season the valleys often contain ephemeral lakes, whose waters on evaporating leave a playa, or mud flat, often covered with an alkaline encrustation of snowy whiteness.
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  • The waters of both lakes are alkaline, but Malheur Lake is often freshened by overflowing into Harney Lake, while the latter, having no outlet, is growing continually more alkaline.
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  • At times, however, these salts are present in such excess as to render the soils too alkaline for plant growing.
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  • Alkaline potassium permanganate oxidizes it to pyridine tricarboxylic acid (236).
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  • By oxidation with alkaline potassium permanganate it yields phthalic acid and cinchomeronic acid.
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  • As a general class, the sulphates are soluble in water, and exhibit well crystallized forms. Of the most insoluble we may notice the salts of the metals of the alkaline earths, barium, strontium and calcium, barium sulphate being practically insoluble, and calcium sulphate sparingly but quite appreciably soluble.
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  • The treatment consists in the prompt neutralization of the acid, by chalk, magnesia, whiting, plaster, soap or any alkaline substance at hand; emetics or the stomach pump should not be used.
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  • It consists of colourless granular crystals freely soluble in water and having an alkaline reaction.
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  • It is used to render the urine acid in cases where it is alkaline, loaded with phosphates or purulent, and is thus useful in cases of cystitis.
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  • Senderens, Comptes rendus, 1901, 132, p. 210 seq.); and from hydrazines of the type CnH2,2_1 NH NH2 by oxidation with alkaline potassium ferricyanide (N.
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  • Alkaline potassium permanganate oxidizes it to adipic acid.
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    0
  • The A 1.5 acid is obtained by boiling the cis- and trans-A 2.5 acids with water, which are obtained on reducing terephthalic acid with sodium amalgam in faintly alkaline solution.
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  • An alkaline solution of pyrogallol is also used; this solution rapidly absorbs oxygen, becoming black in colour, and it is necessary to prepare the solution immediately before use.
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  • Ferrous sulphate forms double salts with the alkaline sulphates.
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  • The iron alums are obtained by crystallizing solutions of equivalent quantities of ferric and an alkaline sulphate.
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  • Complicated compounds, discovered by Roussin in 1858, are obtained by the interaction of ferrous sulphate and alkaline nitrites and sulphides.
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  • Its aqueous solution is strongly alkaline, and with acids it forms well-defined stable salts.
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  • It is a strong reducing agent, giving a precipitate of cuprous oxide from alkaline copper solutions at ordinary temperature, converting mercuric chloride to mercurous chloride, and precipitating metallic silver from solutions of silver salts.
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  • The essential oil is rectified by redistillation with water and alkaline carbonates, and the water which the oil carries over with it is removed by a further distillation over calcium chloride.
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  • On fusion with the caustic alkalis and alkaline carbonates it yields vanadates.
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  • Of the salts of these acids, those of the orthoand pyro-acids are the least stable, the orthovanadates being obtained on fusion of vanadium pentoxide with an alkaline carbonate.
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  • He observed that aldehydes and ketones may suffer reduction in neutral, alkaline, and sometimes acid solution to secondary and tertiary glycols, substances which he named pinacones; and also that certain pinacones when distilled with dilute sulphuric acid gave compounds, which he named pinacolines.
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  • The most important are, the alkaline springs of Carlsbad, Marienbad, Franzensbad and Bilin; the alkaline acidulated waters of Giesshiibel, largely used as table waters; the iron springs of Marienbad, Franzensbad and of Pyrawarth in Lower Austria; the bitter waters of Piillna, Saidschitz and Sedlitz; the saline waters of Ischl and of Aussee in Styria; the iodine waters of Hall in Upper Austria; the different waters of Gastein; and lastly the thermal waters of Teplitz-SchOnau, Johannisbad, and of Rcmerbad in Styria.
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  • The most frequented mineral springs are the alkaline springs at Szczawnica and Krynica, the sulphur springs at Krzesowice, Szklo and Lubian, and the iodine springs at Iwonicz.
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  • In the wet way, arsenious oxide and arsenites, acidified with hydrochloric acid, give a yellow precipitate of arsenic trisulphide on the addition of sulphuretted hydrogen; this precipitate is soluble in solutions of the alkaline hydroxides, ammonium carbonate and yellow ammonium sulphide.
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  • For the pyroarsenate method it is necessary that the arsenic should be in the arsenic condition, if necessary this can be effected by heating with nitric acid; the acid solution is then mixed with "magnesia mixture" and made strongly alkaline by the addition of ammonia.
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  • It combines with alkaline iodides to form very unstable compounds.
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  • It burns on heating in air, and is soluble in solutions of alkaline hydroxides and carbonates, forming thioarsenites, As2S3 + 4KOH = K2HAsO3 + K2HAsS3 + 1H2O.
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  • Some of them are fresh and some alkaline.
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  • In some small and exceptional regions the water is very alkaline, and in the counties of the south-east it is so generally saline that it is difficult, below 150 ft., to avoid an inflow of salt water.
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  • In various parts of the west are small tracts of so-called gumbo " soil; they are due to the Pierre shale, are poorly drained and characteristically alkaline.
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  • Small alkaline areas also occur about lakes in the sand-hills.
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  • Detroit is probably the largest manufacturer in the country of freight cars, stoves, pharmaceutical preparations, varnish, soda ash and similar alkaline products.
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  • It is dextrorotatory in aqueous or alkaline solution, and laevo-rotatory in acid solution.
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  • In alkaline solution azobenzene results, while arsenic acid produces the violet-colouring matter violaniline.
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    0
  • Potassium permanganate in neutral solution oxidizes it to nitrobenzene, in alkaline solution to azobenzene, ammonia and oxalic acid, in acid solution to aniline black.
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  • They may also be prepared by oxidizing chromium salts (in alkaline solution) with hydrogen peroxide, chlorine, bleaching powder, potassium permanganate and manganese dioxide.
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  • The alkaline chromates are soluble in water, those of most other metals being insoluble.
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    0
  • It crystallizes in yellow rhombic prisms, and is readily soluble in water, the solution having a bitter taste and an alkaline reaction.
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  • Lead chromate, PbCrO 4, occurs native as the mineral crocoisite, and may be obtained as an amorphous pale yellow solid by precipitating a soluble lead salt by an alkaline chromate.
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  • Silver chromate, Ag2Cr04, is a dark red amorphous powder obtained when silver nitrate is precipitated by an alkaline chromate.
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  • It is decomposed by the addition of caustic alkalis, forming silver oxide and an alkaline chromate.
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  • If an amount of the bases sufficient to combine subsequently with the fatty acids be present, then the corresponding salts of these fatty acids are formed, such as sodium salts of fatty acids (hard soap) or potassium salts of the fatty acids (soft soap), soaps of the alkaline earth (lime soap), or soaps of the metallic oxides (zinc soap, &c.).
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  • Similar methods are employed in the production of lard oil, edible cotton-seed oil, &c. For refining oils and fats intended for edible purposes only the foregoing methods, which may be summarized by the name of physical methods, can be used; the only' chemicals permissible are alkalis or alkaline earths to remove free fatty acids present.
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  • After absorption into the blood, which they make somewhat more alkaline, they are excreted chiefly in the urine, to which they impart an alkaline reaction if given in sufficient quantity.
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  • Apart from alkaline effects, these metals differ considerably pharmacologically.
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  • Sodium nitrate, potassium nitrate, potassium chloride, ammonium chloride, the alkaline iodides and bromides, also belong partly to this group, although most of them have also specific actions.
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  • Alkaline bromides, in addition to their saline action, have in sufficient doses a depressing effect upon the central nervous system, and less markedly upon the heart.
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    0
  • Baths containing sulphuretted hydrogen or alkaline sulphides have a slightly irritating effect upon the skin, and stimulate the general metabolism.
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    0
  • Mineral waters act in the same way, but their effects are very much modified by, and depend largely upon, other constituents, such as alkaline salts, iron, arsenic, sulphides, carbonic acid, &c.
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    0
  • The salt is readily soluble in water, and is only feebly alkaline.
    0
    0
  • Testing the soil acidity Some soils are slightly acid, some are slightly alkaline.
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  • All tolerate a mildly alkaline soil and partial shade tho they thrive best on a neutral, sandy soil in full sun.
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    0
  • The aqueous solution is slightly alkaline, with a pH about 8.2.
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  • By leaching water through the wood ash a substance called lye was obtained, which was strongly alkaline.
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  • On one occasion at the height of summer, I hiked down to a highly alkaline lake to get a few samples.
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  • The smaller the limestone particles then the quicker your soil will become more alkaline.
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  • Usually the pH is made more alkaline by hydrolysis of urea (NH 2 CONH 2) in boiling aqueous solution.
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    0
  • However, it prefers slightly alkaline to neutral soils and does not thrive in acid or highly alkaline soils.
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    0
  • Some models use alkaline (AAA) batteries, while others use rechargeable batteries (lithium, nickel-cadmium or nickel-metal hydride ).
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  • Ammonia (NH 3) also dissolves in water to produce an ammonium hydroxide (NH 4 OH ), an alkaline solution.
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  • Single AAA alkaline battery provides up to 200 hours (approximately 6 months) of use.
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  • Transient moderate elevations of ASAT, ALAT and alkaline phosphatases and/or bilirubin have been reported.
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    0
  • The battery was made by NIFE Batteries Ltd and was a nickel cadmium alkaline battery designed on the standard two-part principle.
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  • But coral calcium contains high levels of alkaline minerals which help to promote a more alkaline state.
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  • Another cause of chlorosis can be alkaline soil conditions which prevent the uptake of Iron (Fe ++) essential for making chlorophyll.
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  • In addition, high dose systemic leucovorin or alkaline diuresis may be required.
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  • The NNR covers an entire drainage basin and is unique in having a Y-shaped bog system which includes both acid and alkaline drainage systems.
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  • Mortlach Moss Aberdeenshire This small base-rich basin fen, lying upon igneous rock, is representative of Alkaline fens in northeast Scotland.
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  • Urease breaks down urea to form ammonia and free hydrogen ions which raise the pH of the urine making it alkaline.
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  • The original RNA strand is then removed by alkaline hydrolysis.
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    0
  • In the alkaline environment of the urine, arbutin is converted into another chemical, called hydroquinone, which kills bacteria.
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  • Sodium chlorate(I) solution is alkaline and contains enough hydroxide ions to carry out the second half of the reaction.
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    0
  • Great crested newts are best suited to ponds which are slightly alkaline.
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    0
  • You are designed to be neutral pH or slightly alkaline, not acid.
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    0
  • Routine blood tests revealed abnormal liver function tests in the form of raised alkaline phosphatase, AST, ALT and normal bilirubin.
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    0
  • In contrast to the alkaline phosphatase, the GGT tends not to be elevated in diseases of bone, placenta, or intestine.
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  • The biochemistry panel might show an elevated alkaline phosphatase (Alk Phos ).
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    0
  • Forty patients at high risk of CBD stones (increased bilirubin, increased alkaline phosphatase and a dilated CBD) underwent preoperative ERCP.
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  • The flowers grow up to 20cm in diameter with pink blooms in alkaline soils and blue blooms in acidic soils.
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    0
  • In the presence of anionic surfactants, 2 detected alkaline earth metal cations more effectively than alkali metal cations.
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    0
  • Many problems with the stoma and surrounding skin areas are caused by the presence of alkaline urine.
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    0
  • Cobaltic hydroxide, Co(OH) 31 is formed when a cobalt salt is precipitated by an alkaline hypochlorite, or on passing chlorine through water containing suspended cobaltous hydroxide or carbonate.
    0
    0
  • The heptahydrated salt combines with the alkaline sulphates to form double sulphates of composition CoS04 M2S04.6H20 (M = K, NH4, &c.).
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    0
  • In alkaline solution it readily takes up oxygen and is converted into potassium cobalticyanide, K 3 Co(CN) 6, which may also be obtained by evaporating a solution of cobalt cyanide, in excess of potassium cyanide, in the presence of air, 8KCN+2Co(CN)2+H20+0= 2K 3 Co(CN) 6 +2KHO.
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  • Their alkaline solutions liberate ammonia on boiling.
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    0
  • The diammine salts are prepared by the action of alkaline nitrites on cobaltous salts in the presence of much ammonium chloride or nitrate; they are yellow or brown crystalline solids, not very soluble in cold water.
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  • It is insoluble in water and unaffected by most reagents, but when heated in a current of steam or boiled for some time with a caustic alkali, slowly decomposes with evolution of ammonia and the formation of boron trioxide or an alkaline borate; it dissolves slowly in hydrofluoric acid.
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  • To remove it, Oxland fuses the ore with a certain proportion of carbonate of soda, which suffices to convert the tungsten into soluble alkaline tungstate, without producing noteworthy quantities of soluble stannate from the oxide of tin; the tungstate is easily removed by treatment with water.
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  • An impure titanium was made by Wiihler and Sainte-Claire Deville in 1857 by heating to redness fluotitanate of potassium (see below) in the vapour of sodium in an atmosphere of dry hydrogen, and extracting the alkaline fluoride formed by water.
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  • Chem., 1866, 9 8, p. 340); by the action of chlorine on steam at a bright red heat; by the decomposition of hydrogen peroxide by bleaching powder, manganese dioxide, potassium ferricyanide in alkaline solution, or potassium permanganate in acid solution; by heating barium peroxide with an aqueous solution of potassium ferricyanide (G.
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  • A little more than 100 years ago, chemists created the pH scale to describe the range from pure acid to pure alkaline.
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  • Soil with a pH over 7.0 is technically considered "alkaline."
    0
    0
  • Arid or dry areas of the country typically have more alkaline soils, since rainfall helps lower soil pH by dissolving various minerals that turn the soil more acidic.
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    0
  • Soils that contain abundant limestone may tend towards alkaline.
    0
    0
  • Once you get your soil pH test results back, if the results show an extremely alkaline soil with a pH of 8 or higher, you need to determine why the pH is so high.
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  • Sometimes homeowners accidentally raise the soil pH into extremely alkaline states by overzealous application of lime or wood ash.
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  • They opened up for the likes of Green Day and Fall Out Boy and eventually co-headlined a bill with Alkaline Trio.
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  • Make sure your plants can survive in a more alkaline soil environment before you do this.
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  • Some prefer an alkaline environment while others prefer acidic soil.
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    0
  • This small flashlight can use any AAA size battery, and will work well on lithium, alkaline, and rechargeable batteries, as well as on li-Ion 10440 3.7 V when you need extra brightness.
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  • Blood pH is slightly alkaline (basic) with a normal range of 7.36-7.44.
    0
    0
  • Alkaline blood has a pH value greater than pH 7.45.
    0
    0
  • Demi color contains an alkaline agent such as ethanolamine or sodium carbonate instead of ammonia, and is mixed with a developer containing a very low concentration of hydrogen peroxide.
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    0
  • Rocky takes four C-size alkaline batteries, which come in the package.
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  • The manufacturer recommends alkaline batteries for maximum battery life.
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  • The small intestine is alkaline in nature and breaks down nutrients even more so they can be absorbed into the bloodstream.
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  • Subsequent clocks used cesium (an alkaline electropositive metal) to function, resulting in the 1958 release of the first commercial atomic clock available at a cost of $20,000.
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  • For ultimate ease, this clock requires only a single "AA" alkaline battery to function.
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  • Wondering how do I clean up after an alkaline battery leaks inside your radio?
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  • Most alkaline battery leaks involve the potassium hydroxide inside the battery leaking out.
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