The next time she opened her eyes, sunshine filtered through alabaster blinds on a hospital window.
Fear filtered through her.
Cold fear filtered through her, taking her breath away at the image he painted.
She cocked her head to the side and filtered through her memories.
Amusement filtered through him.
Raw pain filtered through Jenn as they walked away.
Light filtered in from somewhere, and Rhyn tried to make sense of his surroundings.
Panic filtered through her.
The solution is filtered off, boiled till free of sulphuretted hydrogen, and ammonium chloride and ammonia added.
Relief filtered through her; he hadn't found Jule.
Her headache was now a migraine, and she shielded her eyes against the light from the street that filtered past her honeycomb blinds.
Moonlight filtered in through the open window.
Midmorning light filtered into the circular chamber, the sounds of fighting distant.
A hushed silence fell over the verandah and the strains of an old song filtered soft music through the air.
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.
The first light of day filtered in through the small square window above her bed.
The liquid is filtered and then crystallized.
The crude solid product from the tar distillate is digested with carbon bisulphide to dissolve the pyrene, the solution filtered and the solvent evaporated.
The precipitate is filtered off and the solution concentrated.
After the vigorous reaction has ceased and all the sodium has been used up, the mass is thrown into dilute hydrochloric acid, when the soluble sodium salts go into solution, and the insoluble boron remains as a brown powder, which may by filtered off and dried.
The solution obtained may be evaporated in vacuo until it attains a density of 1.46 when, if partially saturated with potassium hydroxide and filtered, it yields crystals of potassium pentathionate, K 2 S 5 0 6.3H 2 0.
At some distance from the shaft a square water-tight wall was built, and the space between it and the shaft was filled in with sand, which was purified of all saline matter by repeated washings; on the ground-level perforated stones set at the four corners of the basin admitted the rain-water, which was discharged from the roofs by lead pipes; this water filtered through the sand and percolated into the shaft of the well, whence it was drawn in copper buckets.
The solution is filtered and treated with an excess of sulphuretted hydrogen, either in solution or by passing in the gas; this precipitates mercury (mercuric), any lead left over from the first group, copper, bismuth, cadmium, arsenic, antimony and tin as sulphides.
(a) Gravimetric. - This method is made up of four operations: (I) a weighed quantity of the substance is dissolved in a suitable solvent; (2) a particular reagent is added which precipitates the substance it is desired to estimate; (3) the precipitate is filtered, washed and dried; (4) the filter paper containing the precipitate is weighed either as a tared filter, or incinerated and ignited either in air or in any other gas, and then weighed.
The liquid to be filtered is poured into the cone, preferably down a glass rod upon the sides of the funnel to prevent splashing and to preserve the apex of the filter-paper, and passes through the paper, upon which the solid matter is retained.
To accelerate the rate of filtration various devices are resorted to, such as lengthening the tube below the filtering material, increasing the pressure on the liquid being filtered, or decreasing it in the receiver of the filtrate.
The crucible is then removed from the rubber support, weighed and replaced; the liquid is filtered through in the ordinary way; and the crucible with its contents is again removed, dried, ignited and weighed.
The porcelain-like melt is powdered, boiled with water, and acidified with hydrofluoric acid, and the residual potassium fluosilicate is filtered off.
Any silicate present is also converted into bicarbonate with elimination of silica, which must be filtered off.
To purify the crude product it is dissolved in hot water and the solution filtered and allowed to cool, when the bulk of the dissolved salt crystallizes out with characteristic promptitule.
The residual liquor is filtered and acidified with hydrochloric acid, when cinnamic acid is precipitated, C 6 H 5 CH0+CH 3 000Na= C 6 H 5 CH :CH 000Na-}-H 2 O.
A later method consists in boiling the weed with sodium carbonate; the liquid is filtered and hydrochloric acid added to the filtrate, when alginic acid is precipitated; this is also filtered off, the filtrate neutralized by caustic soda, and the whole evaporated to dryness and carbonized, the residue obtained being known as kelp substitute.
The mixture of calcium and lead carbonates is filtered off and roasted at a low red heat in order to regenerate the calcium plumbate.
The precipitate obtained is filtered, well washed with hot water, dried and then ignited until the weight is constant.
The water supply is derived from the Maumee river and is filtered by a municipal filtration plant.
Few houses, among the older quarters, exceed two storeys in height, but the main streets are paved, and there is a regular supply of filtered water.
To purify the oxide, it is dissolved in dilute hydrochloric acid until the acid is neatly neutralized, the solution is cooled, filtered, and baryta water is added until a faint permanent white precipitate of hydrated barium peroxide appears; the solution is now filtered, and a concentrated solution of baryta water is added to the filtrate, when a crystalline precipitate of hydrated barium peroxide, Ba0 2 8 H 2 0, is thrown down.
This is filtered off and well washed with water.
The solution is filtered, and the barium precipitated by sulphuric acid.
heated till the starch is carbonized, and filtered after the oil has cooled.
The mineral is fused with potassium carbonate, and, on cooling, the product is treated with sulphuric acid, the excess of which is removed by evaporation; water is then added and the silica is filtered off.
The iron and aluminium precipitates are filtered off, and the filtrate boiled, when a basic beryllium hydroxide containing a little ferric oxide is precipitated.
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.
From the filtered solution the thallium is precipitated as the chloride by addition of hydrochloric acid, along, in general, with more or less of lead chloride.
From the filtered solution the thallium is recovered, as such, by means of pure metallic zinc, or by electrolysis.
For this purpose the urine is concentrated and the hippuric acid precipitated by the addition of hydrochloric acid; it is then filtered and boiled for some time with concentrated hydrochloric acid, when it is hydrolysed into benzoic and amido-acetic acid.
The solid matter is filtered off, washed with water, and warmed with 10% nitric acid (A.
The crude oxide of the metal is obtained from cerite, by evaporating the mineral with strong sulphuric acid, removing excess of acid and dissolving the residue in ice-cold water; sulphuretted hydrogen is passed through the solution, which is then filtered, acidified with hydrochloric acid, and precipitated as oxalate by oxalic acid; the oxalate is then converted into oxide by ignition.
The play of colour is exquisite, the basalt combining every tint of warm red, brown and rich maroon; sea-weeds and lichens paint the cave green and gold; while the lime that has filtered through has crusted the pillars here and there a pure snow-white.
The filtered caustic liquor passes to the concentration plants; the washings are employed for diluting fresh vat-liquor for the next operation, or for dissolving solid soda-ash for the same purpose.
This is filtered, washed, and then fused with caustic soda, when the sulpho-group is replaced by a hydroxyl group, and a second hydroxyl group is simultaneously formed; in order to render the formation of this second group easier, a little potassium chlorate or sodium nitrate is added to the reaction mixture.
The melt is dissolved in water and the dyestuff is liberated from the sodium salt by hydrochloric or sulphuric acid, or is converted into the calcium salt by digestion with hot milk of lime, then filtered and the calcium salt decomposed by acid.
of country (in the beginning very steep, and at intervals almost level), where certainly it would have been arrested and all accumulated in a mound; but it must have been borne along by a great quantity of water, the effects of which may be distinctly recognized, not only in the filling and choking up even of the most narrow, intricate and remote parts of the buildings, but also in the formation of the tufa, in which water has so great a share; for it cannot be supposed that enough of it has filtered through so great a depth of earth.
For this purpose a filtered solution of bleaching-powder and a very dilute solution of nitric acid may be employed.
in diameter and filtered through a sand filtration plant.
The liquor was then filtered from the iron oxides, and the filtrate treated with scrap iron, which precipitated the copper and reformed ferrous chloride, which could be used in the first stage of the process.
Kruse and C. Nicolle have found that if a bacterial culture be filtered germ-free, an agglutinating serum still produces some change in it, so that particles suspended in it become gathered into clumps.
The city is excellently drained, well-paved, well-lighted and furnished with an abundant supply of filtered water, while the cellar dwellings have given place to light and airy tenements, and Berlin justly claims to rank among the cleanest and healthiest capitals in Europe.
The water-supply is mainly derived from works on the Miiggel and Tegeler lakes, the river water being carefully filtered through sand.
This leaves the gold in the insoluble residue, which is filtered off, and the silver in the solution is thrown down by hydrochloric acid.
The resulting precipitate of silver chloride is filtered, and the residue and the precipitate are scorified together.
The salts of iron, copper, &c., are then dissolved in water and filtered from the insoluble silica, lead sulphate, and calcium sulphate, which are washed with dilute sulphuric acid.
The lead sulphate, re-precipitated in the filtrate by an excess of sulphuric acid and alcohol, is then filtered on an asbestos felt in a Gooch crucible, washed with dilute sulphuric acid and alcohol, ignited, and weighed.
It is then heated with a mixture of ammonium chloride and ammonia, filtered and washed with a hot dilute solution of the same mixture.
The copper is then dissolved in 5 cc. of nitric acid; if silver is present a drop or two of hydrochloric acid is added, the solution diluted to about 50 cc., and filtered.
The solution is filtered to get rid of the precipitate, and the titration is finished in the nearly clear filtrate, which should be always about 200 cc. in volume.
Occasionally this residue contains a small amount of iron in a difficultly soluble form; in that case the solution is slightly diluted with water and filtered into a larger flask.
The product is treated with water, filtered, and the residue dissolved in hydrochloric acid and added to the main solution.
A bunch of ' tang sani ' (lamp-wick, the pith of Eriocaulon or Scirpus) is then inserted well into the mass, and the pan slightly canted, when a rich, clear, brown fluid is thus drawn off, and filtered through ' chi mui ' (paper made from bamboo fibre).
The precipitated silver (copper) sulphide is filtered, dried, and usually shipped to silver-lead works to be refined; sometimes it is converted into metallic silver at the works.
The filtered (blue) solution is now mixed with an excess of solution of ammonium sulphite, and allowed to stand.
The two most important works undertaken by the old municipality were the provision of a supply of filtered water and the construction of a main drainage system.
To prepare it olive oil is saponified with potash, and lead acetate added; the lead salts are separated, dried, and extracted with ether, which dissolves the lead oleate; the solution is then treated with hydrochloric acid, the lead chloride filtered off, the liquid concentrated, and finally distilled under diminished pressure.
It is obtained from zorgite by heating the mineral with aqua regia; the excess of acid is evaporated, and the resulting syrupy liquid diluted, filtered and decomposed by sulphur dioxide, when the selenium is precipitated (Billandot, Ency.
Any sulphuric acid present is removed by baryta water, the precipitated barium sulphate filtered off, the solution acidified by hydrochloric acid and reduced by sulphur dioxide.
Scheele treated bone ash with nitric acid, precipitated the calcium as sulphate, filtered, evaporated and distilled the residue with charcoal.
It may be prepared by keeping moist and exposed to the air for from four to six weeks, at a temperature of 20° to 25° C., a paste of powdered gall-nuts and water, and removing from time to time the mould which forms on its surface; the paste is then boiled with water, the hot solution filtered, allowed to cool, the separated gallic acid drained, and purified by dissolving in boiling water, recrystallization at about 27° C., and washing of the crystals with ice-cold water.
The action of sandstone in filtering salt waters was investigated in 1878 by Dr Isaac Roberts, F.R.S., who showed that when salt water was allowed to percolate blocks of sandstone, the effluent was at first nearly fresh, the salt being filtered out and crystallized for the most part near the surface of ingress to the sandstone.
Attempts have been made, by adding certain coagulants to the water to be filtered, to increase the power of sand and other granular materials to arrest bacteria when passing through them at much higher velocities than are possible for successful filtration by means of the surface film upon sand.
This, when attained, is undoubtedly a most important reduction in the chance of pathogenic bacteria passing into the filtered water; but much mere must be done than has hitherto in most places been done to ensure the constancy of such a condition before it can be assumed to represent the degree of safety attained.
Centralblatt, 1870, I, p. 340) obtained it by passing nitric oxide through a series of bottles containing tin and hydrochloric acid, to which a small quantity of platinum tetrachloride has been added; the acid liquid is poured off when the operation is completed, and sulphuretted hydrogen is passed in; the tin sulphide is filtered off and the filtrate evaporated.
The precipitated sodium chloride is filtered, and the solution of hydroxylamine distilled in order to remove methyl alcohol, and finally fractionated under reduced pressure.
It has passed into solution, filtered through the porous matrix, and has been again precipitated when the conditions were suitable.
It is then allowed to stand twenty-four hours, filtered, washed with dilute ammonia, dried, ignited to constant weight and weighed, the filter paper being incinerated separately after moistening with nitric acid.
Sulphuretted hydrogen is passed through the liquid until it is thoroughly saturated, the excess of sulphuretted hydrogen is expelled from the solution by a brisk stream of carbon dioxide, and the precipitate is filtered on a Gooch crucible and washed with water containing a little sulphuretted hydrogen and dried at 100° C.; it is then well washed with small quantities of pure carbon disulphide to remove any free sulphur, again dried and weighed.
At low temperatures solid portions - usually termed "stearine" - separate out from many oils; in the case of cotton-seed oil the separation takes place at 12° C. These solid portions can be filtered off, and thus are obtained the commercial "demargarinated oils" or "winter oils."
The water is then allowed to settle out, and the oils are finally filtered.
Distilled water is frequently used, as well as the water produced by the condensation of the steam from the engine, which of course must be thoroughly purified and filtered.
In due time the horse is bled, the serum is filtered free of blood corpuscles, and then constitutes the antitoxic serum, which can be standardized to a certain potency.
It is then filtered, washed with ether, and air-dried.
The information filtered through her skepticism until she admitted he spoke too logically to be anything but right.
aliquot of the sample was filtered through a 0.45 micrometer membrane filter into an autosampler vial ready for analysis.
amateur astronomers are aware how easily the LPS light can be filtered.
They also demonstrate that bandpass filtered acoustic pulse trains provide a useful analog of electric hearing.
Few UK amateur astronomers are aware how easily the LPS light can be filtered.
cess pools which filtered into nearby wells.
High quality vodkas are also filtered through tanks containing charcoal.
The harvested antibody is filtered and stored frozen until the end of a culture run when it is pooled and purified by column chromatography.
dappled light filtered through the base of the ship's plunge pool.
To facilitate the discovery of morphemes, the words in the Word Collection can also be filtered using regular expressions.
Where the video signal is entirely encoded in digital form, the low-pass filtered step will not have the desired effect.
filtered through to Burnley's back four.
Arrabal uses grainy filtered footage during these sequences and gives them several different colors.
Envelope amplitude modulation occurs in cochlear filtered speech because of unresolved harmonics.
Labeling with information about origin or regional source cannot be applied to either baker's honey or filtered honey.
There is a myth that hookah smoking is safer than smoking cigarettes because the hookah smoke is filtered through water before it is inhaled.
insoluble salt is filtered off to separate it from the solution, washed with pure water to remove any residual salt solution.
intelligence operatives from the Interior Ministry filtered back into the province as the Kosovo Liberation Army renewed its attacks.
The filtered images are analyzed and rotation invariant features extracted at each pixel.
All river water was to be filtered and have iodine added as a disinfectant.
The filtered oil can then be stored in smaller containers with sealable lids to keep air out.
Louvre the extra ventilation louvers for a filtered air system.
If the GRB is at a distance greater than z ~ 1, the filtered observations will also measure the redshift of the GRB.
Water bottles - refill small mineral water bottles with tap or filtered water.
Investegate reserves the right to publish a filtered set of announcements.
Cores will be placed in a microcosm mesocosm tank containing filtered seawater, which is recycled, stirred and aerated to maintain ambient conditions.
Once a week I check specific gravity and add some filtered tap water if necessary.
swales are dry however during a rainfall event water flows through the surface grass where it is retarded and filtered.
tannoy announcements, each of which I had successfully filtered out.
Any wastewater from the exhaust cleaning and dross washing processes are first filtered of solids before being passed onto the wastewater recycling plant.
An aqua cool filtered water cooler is situated in the breakfast room.
Wort wort Wort or sweet wort is how the liquor is described once the mashed barley malt grains have been filtered out.
The aeration of the water is effected by blowing air into the steam before it is condensed; as an auxiliary, the storage tanks have a false bottom perforated by fine holes so that if air be injected below it, the water is efficiently aerated by the air which traverses it in fine streams. After condensation the water is filtered through charcoal.
The suction may be derived from any form of air-pump; a form often employed where water at fair pressure is available is the jet-pump, which in consequence is known as a filter-pump. Another method of filtering into a vacuum is to immerse a porous jar ("Pukall cell") in the liquid to be filtered, and attach a suction-pipe to its interior.
But though he formulated no system of philosophy, and seemed to show the influence now of Plato, now of Kant, or of German thought as filtered through the brain of Coleridge, he was, like his American master, associate and friend, steadily optimistic, idealistic, individualistic. The teachings of William Ellery Channing a little before, as to the sacred inviolability of the human conscience - anticipating the later conclusions of Martineau - really lay at the basis of the work of most of the Concord transcendentalists and contributors to The Dial, of whom Alcott was one.
The reaction is accompanied by much frothing, and the whole is filtered when in a state of tranquil fusion.
Chem., 18 57, 71, p. 2 79) fuses the commercial selenium with potassium cyanide in a stream of hydrogen, takes up the melt in water and passes air through the solution; the precipitated tellurium is filtered off, and the solution then supersaturated with hydrochloric acid, when selenium is gradually deposited.
In modern practice degreased bones (see Gelatin), or bone-ash which has lost its virtue as a filtering medium, &c., or a mineral phosphate is treated with sufficient sulphuric acid to precipitate all the calcium, the calcium sulphate filtered off, and the filtrate concentrated, mixed with charcoal, coke or sawdust and dried in a muffle furnace.
It may be prepared by keeping moist and exposed to the air for from four to six weeks, at a temperature of 20Ã‚° to 25Ã‚° C., a paste of powdered gall-nuts and water, and removing from time to time the mould which forms on its surface; the paste is then boiled with water, the hot solution filtered, allowed to cool, the separated gallic acid drained, and purified by dissolving in boiling water, recrystallization at about 27Ã‚° C., and washing of the crystals with ice-cold water.
Tully and now in use at Truro, in which tar is injected into the incandescent fuel in a water-gas generator and enriches the water gas with methane and other hydrocarbons, the resulting pitch and carbon being filtered off by the column of coke through which the gas passes.
Sulphuretted hydrogen is passed through the liquid until it is thoroughly saturated, the excess of sulphuretted hydrogen is expelled from the solution by a brisk stream of carbon dioxide, and the precipitate is filtered on a Gooch crucible and washed with water containing a little sulphuretted hydrogen and dried at 100Ã‚° C.; it is then well washed with small quantities of pure carbon disulphide to remove any free sulphur, again dried and weighed.
At low temperatures solid portions - usually termed "stearine" - separate out from many oils; in the case of cotton-seed oil the separation takes place at 12Ã‚° C. These solid portions can be filtered off, and thus are obtained the commercial "demargarinated oils" or "winter oils."
During dry weather conditions swales are dry however during a rainfall event water flows through the surface grass where it is retarded and filtered.
Well there had been no fewer than three tannoy announcements, each of which I had successfully filtered out.
As a result, the amount of glucose that gets filtered into the kidney tubules increases also.
The resulting horror is filtered through Gromit 's drolly watchful presence.
Wort Wort or sweet wort is how the liquor is described once the mashed barley malt grains have been filtered out.
I switched from tap water to filtered water, and I feed them Purina's Naturals.
They did have a vomiting problem for a while, but the filtered water seemed to take care of that.
There's less odor, especially with the filtered hoods.
When you have access to fresh, filtered water on demand, you'll be able to eliminate the use of disposable plastic water bottles in your home.
Disease-causing agents include bacteria, worms, viruses, and other harmful organisms that enter water sources and are never filtered out.
Bottled water can cost 500 to 4,000 times more than filtered tap water.
Filtered Brown beats them all hands down, though.
Shoots should be kept in two inches of water (filtered water is best) unless they are planted in soil or sand; in that case, the potting material should be kept moist.
Twenty, filtered menthol cigarettes, jam packed with nicotine, tar, embalming fluid, and couple hundred more flavorful low-dosed toxic deadly poisons.
The 20' x 15' rectangular pool is heated, filtered and purified, and is five foot, seven inches at its deepest point.
This is an age-old trick that doubles the amount of natural light being filtered through the room, giving it the appearance of a much larger room.
By looking through the filtered lenses, your eyes are capable of "seeing" the infrared light, and the dimly lit area appears brighter than normal.
All harmful light is filtered and the style gives you the option to flip them up when not in use.
Jaundice: Yellow-stained skin and whites of the eyes due to elevated levels of bilirubin, a substance normally filtered out by the liver.
The complex is filtered out of the blood by the kidneys and excreted in the urine.
In many areas, drinking water contains fluoride that meets all normal needs, but for children who do not drink water or drink filtered or bottled water, fluoride supplements may be useful.
If hypertension thickens the arteries to the kidneys, less waste can be filtered from the blood.
Dialysis fluid is injected into the peritoneal cavity and wastes are filtered through the peritoneum, the thin membrane that surrounds the abdominal organs.
As RBCs break down, they release Hgb into the blood stream, which is normally filtered out by the kidneys and excreted.
Glomerulus-Plural, glomeruli; a network of capillaries located in the nephron of the kidney where wastes are filtered from the blood.
As a waste product, bilirubin is filtered out of blood (cleared) by the liver and excreted in bile, eliminated normally in stool produced by the large intestine.
Filtered water and well water vary greatly in their fluoride content.
If you have a filter on your tap, simply use filtered water.
Change the water frequently - Remember to use distilled or filtered water.
Farmers then place the stalk in a container of filtered or spring water which will be changed out weekly to prevent disease.
You need to be sure any water you use whether as a growing medium or simply watering is filtered water.
However, you should note that the vast majority of the time, each season's "It" hairstyles have filtered down from the runways at fashion week.
They are filtered with a bio-filter that maintains a constant flow of water.
Water Filtration - Braun's CaféHouse coffee makers include a built-in Brita water filtration system, allowing you to enjoy the rich taste of coffee made with freshly filtered water.
Filter Cups And Water Filters: The water is filtered before it enters your coffee, resulting in a pure and refreshing taste.
The reasons for purchasing HEPA filtered air purifies are usually inspired by a desire to filter out air pollutants in a home such as dust mites and other impurities that can create health concerns.
Since the meat hangs suspended in the center of the oven and turns during cooking, all of the fat falls off and is filtered into a collection cup that can later be emptied.
It’s recommended to use filtered water or bottled water to produce the best tasting coffee.
This basically reflects the validity of the universal truths, even though they have been filtered through very different cultures.
Interestingly, Gemini and Virgo are both ruled by Mercury, so this planet's influence is filtered through each sign's personality.
Google has a filtered search option to make their expansive search engine appropriate for children and teens.
Be sure to add the address to your "safe" contacts list so it is not filtered into junk boxes.
Be sure to add the Vera Bradley e-mail address to your safe list so it's not filtered into your junk mail.
This means that some spoilers are filtered through the lens of wishful thinking.
When you use the central heating or air conditioning system in your home, the air brought in from outside is filtered and travels through the duct system into the rooms of your home.
Most rooms in your home have an opening on the wall near the ceiling or floor where the filtered air cools or heats the room.
Use distilled or filtered water to limit the number of unwanted additions to your soap.
The only one to watch out for is salt; use in moderation.For healthy beverages, nothing beats pure, filtered water.
Most vinegars found at the local grocery store have been filtered, pasteurized and distilled, eliminating the health benefits.
Experts recommend using filtered water to remove potential impurities.
While many recipes call for distilled water, you should use filtered water, not distilled.
The site doesn't endorse the listings posted there, and any information gathered there needs to be filtered through some good old common sense.
They have moved merely from paintings and filtered graphic art to 3D sculptures.
These programs are more designed with the Web 2.0 in mind, featuring capabilities such as podcast management, filtered listings, and concurrent transfers from multiple sites.
Pain filtered through him.
In the Glatz process the lye is treated with a little milk of lime, the liquid then neutralized with hydrochloric acid, and the liquid filtered.
and filtered, and neutralized with powdered chalk and a little milk of lime; the precipitate of calcium citrate so obtained is decomposed with dilute sulphuric acid, the solution filtered, evaporated to remove calcium sulphate and concentrated, preferably in vacuum pans.
The substance is heated with metallic sodium or potassium (in excess if sulphur be present) to redness, the residue treated with water, filtered, and ferrous sulphate, ferric chloride and hydrochloric acid added.
This is filtered through fresh bone-char filters, from which it is discharged as a practically colourless liquid.
The precipitated alumina is filtered off, the filtrate evaporated and the ammonium salt of the acid purified by recrystallization.
This is drawn off, cooled and filtered, and forms a white paint of good body, consisting of about 65% lead sulphate, 26% lead oxide, 6% zinc oxide and 3% other substances.
The solution is filtered, the precipitate well washed, and, generally, is put up in the form of a paste in well-closed vessels.
The residue is then dissolved in hot water, filtered, and the clear solution is mixed with very thin milk of lime so adjusted that it takes out one-half of the chlorine of the PbC1 2.
From the solution the arsenic, copper, &c., are precipitated by sulphuretted hydrogen as sulphides, which are filtered off.
These are filtered off hot, and the filtrate is allowed to cool, when crystals of the uranate separate out.
The precipitate is filtered, washed, dried and ignited.
Generally it is either dried, after being separated from the wash water, by means of common salt, upon a layer of which the moist nitroglycerin is gently run and allowed to drain or filter through, or it is filtered through a mass of dry sponge or similar dry and porous material.
They consist of tanks or cisterns fitted with " heads " from which a number of bags of specially woven cloth are suspended in a suitable manner, and into which the melted sugar or liquor to be filtered flows from the melting pans.
The filtered liquors, being collected in the various service tanks according to their qualities, are drawn up into the vacuum pans and boiled to crystals.
The iron and manganese are precipitated as hydroxides, and are filtered off.
by fusing the mineral, very finely powdered, with six times its weight of potassium bisulphate in a platinum crucible, then extracting the melt with cold water and boiling the filtered solution for a long time.
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.
He is at once the gigantic eater of Turpin, the huge warrior eight feet high, who could lift the armed knight standing on his open hand to a level with his head, the crusading conqueror of Jerusalem in days before the crusades, and yet with all this the temperate drinker and admirer of St Augustine, as his character had filtered down through various channels from the historical pages of Einhard.
The solution is filtered and allowed to cool, when colourless rhombic pyramids of the aurocyanide separate.
Sodium aurosulphide, NaAuS 4H 2 O, is prepared by fusing gold with sodium sulphide and sulphur, the melt being extracted with water, filtered in an atmosphere of nitrogen, and evaporated in a vacuum over sulphuric acid.
The supernatant liquid is led into settling tanks, where a further amount of "gold is deposited, r and is then filtered through sawdust or sand, the sawdust being afterwards burnt and the gold separated from the ashes and the sand treated in the chloridizing vat.
Or the alloy is dissolved in aqua regia, the solution filtered from the insoluble silver chloride, and the gold precipitated by ferrous chloride.
The solution of metallic chlorides or sulphates so obtained is precipitated by iron, the metallic bismuth filtered, washed with water, pressed in canvas bags, and finally fused in graphite crucibles, the surface being protected by a layer of charcoal.
In some cases the operation of filtration is performed for the sake of removing impurities from the filtrate or liquid filtered, as in the purification of water for drinking purposes; in others the aim is to recover and collect the solid matter, as when the chemist filters off a precipitate from the liquid in which it is suspended.
The pentammine purpureo-salts are formed from the luteo-salts by loss of ammonia, or from an air slowly oxidized ammoniacal cobalt salt solution, the precipitated luteosalt being filtered off and the filtrate boiled with concentrated acids.
The white precipitate formed by cold hydrochloric acid is boiled with water, and the solution filtered while hot.
A solution of one part of the carbonate in 12 parts of water is heated to boiling in a cast-iron vessel (industrially by means of steampipes) and the milk of lime added in instalments until a sample of the filtered mixture no longer effervesces with an excess of acid.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.