Paraffin sentence example

paraffin
  • The dipterous garden pests, such as the onion fly, carrot fly and celery fly, can best be kept in check by the use of paraffin emulsions and the treatment of the soil with gas-lime after the crop is lifted.
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  • The Boulder district developed very rapidly after 1902; its product is a high-grade illuminant with paraffin base.
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  • The California field produces oil characterized by much asphalt and little or no paraffin, and low in volatile constituents.
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  • (3) Plumbi Carbonas, white lead, a mixture of the carbonate and the hydrate, a heavy white powder insoluble in water; it is not used internally, but from it is made Unguentum Plumbi Carbonatis, strength 1 in so parts of paraffin ointment.
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  • Secondary reactions take place at the same time, yielding more particularly hydrocarbons of the paraffin series.
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  • Dibasic acids of the paraffin series of hydrocarbons have the general formula C n H 2 (000H) 2 "; malonic and succinic acids are important members.
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  • Aqueous alcohol becomes turbid when mixed with benzene, carbon disulphide or paraffin oil; when added to a solution of barium oxide in absolute alcohol, a white precipitate of barium hydroxide is formed.
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  • This was soon put into operation in Scotland, first with the Boghead coal or Torbanehill mineral, and later with bituminous shales, and though he had to face much litigation Young successfully employed it in the manufacture of naphtha and lubricating oils, and subsequently of illuminating oils and paraffin wax, until in 1866, after the patent had expired, he transferred his works to a limited company.
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  • The manufactures comprise sheet-iron, boilers, zinc, brick and tiles, paraffin, petroleum, soap and candles.
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  • Paraffin wax is tested for melting-point (or setting-point), and the semi-refined product is further examined to ascertain the percentage of oil, water and dirt present.
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  • The solubility of the gas in various liquids, as given by different observers, is zoo Volumes of Brine Water Alcohol Paraffin Carbon disulphide Fusel oil Benzene Chloroform Acetic acid Acetone It will be seen from this table that where it is desired to collect and keep acetylene over a liquid, brine, i.e.
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  • The name of any particular member of the series is derived from that of the corresponding member of the paraffin series by removing the final syllable "-ane," and replacing it by the syllable "ylene."
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  • Brunner's process consisted in forming an intimate mixture of potassium carbonate and carbon by igniting crude tartar in covered iron crucibles, cooling the mass, and then distilling it at a white heat from iron bottles, the vaporized metal being condensed beneath the surface of paraffin or naphtha contained in a copper vessel.
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  • The hyphae will also dissolve their way through a lamella of collodion, paraffin, parchment paper, elder-pith, or even cork or the wing of a fly, to do which it must excrete very different enzymes.
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  • This is soldered to two thick terminal rods of copper, and the coil is enclosed in a water-tight brass cylinder so that it can be placed in water, or preferably in paraffin oil, and brought to any required temperature.
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  • It is remarkable that the difference in the heats of formation of ketones and the paraffin containing one carbon atom less is 67.94 calories, which is the heat of formation of carbon monoxide at constant volume.
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  • The neck of the retort, or side tube of the flask, is connected to the condenser c by an ordinary or rubber cork, according to the nature of the substance distilled; ordinary corks soaked in paraffin wax are very effective when ordinary or rubber corks cannot be used.
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  • In boiling liquids its formation may be prevented by adding paraffin wax; the wax melts and forms a ring on the surface of the liquid, which boils tranquilly in the centre.
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  • Methane and its homologues give origin to the " paraffin " or " fatty series " of the general formula C,H 2, ,+ 1 000H, ethylene gives origin to the acrylic acid series, C n H 27, - 1 000H, and so on.
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  • Hydrocarbons, such as petroleum, bitumen, paraffin, &c., are also found occasionally in coal, but more generally in the associated sandstones and limestones of the Carboniferous formation.
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  • The Appalachian field (Pennsylvania, New York, Ohio, West Virginia and Tennessee) produces oil rich in paraffin, practically free from sulphur and asphalt, and yielding the largest percentage of gasoline and illuminating oils.
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  • Bituminous coal, however, may be looked upon as containing carbon and also simple hydrocarbons, such as some of the higher members of the paraffin series, and likewise organic bodies containing carbon, hydrogen, nitrogen, oxygen and sulphur.
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  • If bituminous coal is distilled at a low tempera- Destruc- ture, the tar is found to contain considerable quantities of tive dis- light paraffin oils; and there is no doubt that paraffin tillation hydrocarbons are present in the original coal.
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  • Of the first class, the light paraffin oils and pitch may be taken as examples; whilst benzene, naphthalene and retort carbon represent the second.
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  • In the types of cable that were first used, the wires, usually with a cotton insulation, were drawn into lead tubes, and the tubes filled with paraffin or other similar compound, which kept the wires from the injurious effects of any moisture which might penetrate the lead tube.
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  • Soaking the seed in strong-smelling substances, such as paraffin and turpentine, has been found efficacious, and in some districts paraffin sprayed over the seedlings has been practised with decided success.
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  • Viscosity increases with density, but oils of the same density often vary greatly; the coefficient of expansion, on the other hand, varies inversely with the density, but bears no simple relation to the change of fluidity of the oil under the influence of heat, this being most marked in oils of paraffin base.
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  • They found that the paraffin was thus converted, with the evolution of but little gas, into hydrocarbons which were liquid at ordinary temperatures.
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  • In an experiment on 3500 grams of paraffin produced from shale (melting point 44'5° C.) they obtained nearly 4 litres of liquid hydrocarbons, which they subjected to fractional distillation, and on examining the fraction distilling below loo° C., they found it to consist mainly of olefines.
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  • According to Stolba, beautiful crystals of pure tin can be obtained as follows: A platinum basin, coated over with wax or paraffin outside, except a small circle at the very lowest point, is placed on a plate of amalgamated zinc, lying on the bottom of a beaker, and is filled with a solution of pure stannous chloride.
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  • The irritant may be chemical, as is seen in the skin cancers that develop in workers in paraffin, petroleum, arsenic and aniline.
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  • In addition to the manufacture of woollen wares, for which it has long been known, there is now extensive production of vinegar, paraffin, potash and especially beetroot-sugar; while the surrounding district, which was formerly devoted in great part to marketgardening, is now turned almost entirely into beetroot fields.
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  • The manufactures include paraffin, paper, glass, chemicals, flour and whisky, and freestone is quarried.
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  • The selection of paraffin wax includes sixteen different types and blends.
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  • Carefully pour melted paraffin wax into the cup, making sure the wick stays centered.
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  • Particulars of the shales which yield oil on destructive distillation are given in the article on paraffin.
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  • In most petroleum-producing countries, however, and particularly where the product is abundant, the crude oil is fractionally distilled, so as to separate it into petroleum spirit of various grades, burning oils, gas oils, lubricating oils, and (if the crude oil yields that product) paraffin.
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  • The operation was, however, completely revolutionized in the United States by the introduction of the " cracking process," and by the division of the distillation into two parts, one consisting in the removal of the more volatile constituents of the oil, and the other in the distillation (which is usually conducted in separate stills) of the residues from the first distillation, for the production of lubricating oils and paraffin.
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  • It follows therefore that two hydrocarbon radicals are bound to the carbon monoxide residue with the same strength as they combine to form a paraffin.
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  • The British Pharmacopeia contains only one preparation, an ointment containing one part of acid to 49 of white paraffin ointment.
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  • When the distillation is finished the iron box, after cooling, is unclamped and the product turned out beneath the surface of paraffin.
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  • It is purified by redistilling and condensing directly under paraffin.
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  • It is stated that these machines were first made in New South Wales in 1859, but the first Harrison machine adopted successfully for industrial purposes in England was applied in the year 1861 for cooling oil in order to extract the paraffin.
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  • In an attempt to identify the molecular etiology of the tumors DNA was extracted from paraffin fixed tissue from both patients.
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  • These dressings do have minimal problems of adherence and are far superior to the paraffin gauze products, but are very expensive.
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  • Water soluble lubricating gels can moisten the lips without the dehydrating effects of glycerol and paraffin based products.
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  • For example, several fires may have happened in an aging housing estate where officers suspect people are using paraffin heaters.
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  • To the contrary, paraffin molecules are not polar, this is the reason why paraffin cannot respond to the microwave irradiation.
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  • A stove installed during the 1870s was removed in 1907, when the paraffin lamps were fitted.
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  • In the corner is a paraffin lamp with an elaborate lampshade.
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  • The colonial police used methods like slicing off ears, flogging until death and pouring paraffin over suspects who were then set alight.
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  • Avoid using paraffin or bottled gas heaters - they produce a liter of water for every liter of fuel used.
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  • The pump system handles both paraffin or diesel fuel with only minor adjustment required of the fuel/air compressor.
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  • Today I managed to phone the Lab of a company that manufactures waxes, including the paraffin / beeswax mixture I use.
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  • However we had it in a base of soft white paraffin.
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  • Lower legs are treated to a therapeutic massage with warm cream and then feet are dipped in warm paraffin for intense moisturizing.
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  • Fecal lubricants liquid paraffin is indigestible and absorbed only to a small extent.
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  • When buying paraffin, look for the special symbol with the number BS 2869 CI on the pump or tank.
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  • Do not use paraffin wax at all if babies or young children are able to breathe the fumes from your work area.
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  • They contain no animal products, nor do they contain petroleum based paraffin wax.
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  • Agreement of the theoretical models with real systems has been demonstrated by the inclusion of 3% copper phthalocyanine in paraffin wax.
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  • Using plastic bulb pipette, remove some yeast suspension from the beaker (below the liquid paraffin layer ).
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  • The heat source being a paraffin soaked rag suspended under the Lantern.
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  • The fuel is more completely burned and does not leave an oily residue as paraffin does.
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  • Antique copper and brass may be satisfactorily cleaned with jeweler's rouge and a spot of paraffin.
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  • In order to reduce our paraffin wax dip stock.. .
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  • Lodge, Muirhead and Robinson also devised a self-restoring coherer as follows: 3 - A small steel wheel with a sharp edge was kept rotating by clockwork so that its edge continually cut through a globule of mercury covered with paraffin oil.
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  • Aphides are provided with a mealy skin, which does not allow water to be attached to it, and thus insecticides for destroying them contain soft soap, which fixes the solution to the skin; paraffin is added to corrode the skin, and the up the breathing pores and so produces asphyxiation.
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  • In an experiment on 3500 grams of paraffin produced from shale (melting point 44'5° C.) they obtained nearly 4 litres of liquid hydrocarbons, which they subjected to fractional distillation, and on examining the fraction distilling below loo° C., they found it to consist mainly of olefines.
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  • The hydrocarbon C20H42, for example, might be resolved into C5H12+C15H30, or CEH14+C14H28, or C7H16 +C13H26, &c., the general equation of the decomposition being C„1-1 27, ± 2 (paraffin) =G_rH2(, - P)+2 (paraffin)+C P H 2 n (olefine).
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  • Mansfield to facilitate the fractionation of paraffin and coaltar distillates, consisted in having a pipe leading from the inclined delivery tube of the still to the still again, so that any vapour which condensed in the delivery tube was returned to the still.
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  • - Obtained by distillation from the oil produced by the destructive distillation of bituminous shale (see Paraffin).
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  • The mineral hydrocarbons found in nature or obtained by destructive distillation do not come within the range of this article (see Naphtha, Paraffin, Petroleum), which is restricted to the following two large groups of bodies, formed naturally within the vegetable and animal organisms, viz.
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  • Antique copper and brass may be satisfactorily cleaned with jeweler 's rouge and a spot of paraffin.
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  • Usually brasses only require dusting, but if particularly dirty, rub with a soft cloth dipped in paraffin and wipe dry.
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  • The treatment benefits of paraffin wax makes this an excellent treatment for soothing aching backs.
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  • About 1877, paraffin oil replaced the use of spermaceti oil.
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  • It does not need to be vented and does not produce the fumes or emissions of other fuel heaters such as wood, gas and paraffin.
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  • Soy candles are less expensive then candles made of paraffin and beeswax.
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  • Soy candles take more time to burn, burning up to 50 percent longer than paraffin candles.
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  • Soy candles are natural, whereas paraffin is made from petroleum, which is an import for the United States.
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  • Soy wax is easier to clean up than paraffin candle wax, but you must still protect your furniture, yourself, and your family from hot wax burns.
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  • Also called black drawing salve, ichthammol salve contains derivatives of sulfur-rich shale, mixed into a paraffin or beeswax base, to create a skin preparation.
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  • Ear candling-An alternative method for removing impacted cerumen with a lighted hollow cone of paraffin or beeswax.
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  • Softer wax: Soy wax is softer than wax such as paraffin, and as such they are typically sold in jars or as 'melts' for use in burners.
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  • While many homemade candles are created with paraffin wax, most people who practice aromatherapy candle making use soy wax for their projects.
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  • Many candle makers also feel soy wax is easier to work with than paraffin wax.
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  • Beeswax can be used to create aromatherapy candles as well, but this material is significantly more expensive than paraffin wax or soy wax.
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  • In candle making, the thing that is melted is wax, whether paraffin wax, soy wax, beeswax or some other kind of wax.
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  • Melt some wax, either bayberry or paraffin, in a coffee can, melting pot or other tall and narrow but deep vessel.
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  • Gel candles are an economical choice for thrifty crafters since they will burn twice as long as candles made from paraffin wax.
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  • Because the wax used to make gel candles is transparent, gel candles will also give off 40% more luminescence than candles made from paraffin wax.
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  • People who wanted natural non-paraffin candles liked using beeswax (and many still do) but it is about 10 times the cost of paraffin wax.
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  • So soy wax was developed as an all-natural, cheaper alternative, and it is said to be even easier to work with than paraffin.
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  • You can use the same wicks that are used for paraffin wax candles.
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  • It's a little harder to find than traditional paraffin wax, but it's fun to work with something a little different from time to time.
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  • People were getting interested in more natural products back then, but beeswax was about 10 times more expensive than paraffin.
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  • Wicks: Any wick that is made for paraffin wax candles will work for soy candles.
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  • The supplies you need for melting, pouring and molding a soy candle are the same ones you would use for a conventional paraffin candle.
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  • The main difference between supplies for paraffin candle making and soy candle making is the wax.
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  • Soy wax was invented in 1991, according to Soya, as a way to make a more economical natural candle, since beeswax is so much more expensive than paraffin.
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  • They're somewhat less complicated than paraffin candles, especially because the wax melts in the microwave and only requires one pour.
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  • Before you go out buying all the supplies to make soy candles, you might wonder what advantage there is to making soy candles compared to paraffin wax candles.
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  • Paraffin comes from petroleum by-products, so it's not really a renewable resource.
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  • Soy candles produce about 95 percent less soot than paraffin candles.
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  • Soy candles burn cooler and more evenly than paraffin candles.
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  • Soy candles also seem to hold fragrance and color a little better than paraffin candles.
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  • You'll sometimes find wax in blocks, much like paraffin wax, but the smaller shapes are much more common.
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  • Like paraffin wax, there are many different varieties of soy wax, depending on the type of candle you want to make.
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  • Moonglow has a huge selection of fragrance oils and each one is clearly labeled as to whether it is safe for soy candles, paraffin candles, body products or incense.
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  • Beeswax was popular and yet cost about ten times more than paraffin.
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  • If you're just starting out, buy plain old paraffin wax and a couple of basic molds, such as a votive candle mold and a three- or four-inch round pillar mold.
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  • Scented soy chunk candles are becoming more popular as people learn of the environmental benefits of soy over petroleum paraffin candles.
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  • Traditionally, chunk candles are made from paraffin with cubes or chunks of different colors so that the candles have a checkerboard-look to them.
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  • They are lower-priced alternatives to beeswax candles and are much more environmentally friendly than paraffin candles.
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  • Soy candles burn much cleaner then paraffin candles, producing approximately 90 percent less soot.
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  • Compared with paraffin candles, soy candles last 50 percent longer.
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  • Soy candles have a lower melting point then paraffin wax candles.
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  • The votives are compression molded and made of clean burning paraffin wax.
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  • The most popular types of wax for jar candle making are paraffin and beeswax; hard waxes that burn quickly and create black soot on the inside of the jar.
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  • Soy candles are often touted as being more natural and earth-friendly than their paraffin counterparts.
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  • Soy wax is a more natural product than paraffin candle wax, which is derived from petroleum products.
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  • It also releases fewer toxins into the air than paraffin wax.
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  • When choosing candle wax, you have three options to consider: paraffin wax, beeswax, and soy wax.
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  • Paraffin wax is the most common choice for candle making.
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  • Beeswax candles have "warmer" flames that have a more yellowish color than that of paraffin candles.
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  • Candles made from soy wax distribute scent evenly, produce minimal soot, and last up to 50 percent longer than paraffin candles.
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  • You can use the same type of wick for making soy candles as you'd use for paraffin candle making.
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  • Since essential oils and soy wax are more expensive than the fragrance oils and paraffin wax most commonly used for candle making, you'll need to make sure your price reflects your higher material costs.
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  • Alternate layers of white, vanilla scented paraffin or soy wax with layers of fruit scented and colored gel wax to create a candle that appears to be a fruit parfait.
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  • Soy candles are any type of candle made with soy wax, rather than paraffin, gel, or any other type of candle wax.
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  • Soy tends to burn cleaner than paraffin, resulting in less smoke and soot.
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  • The finished candles are hard and strong, and many candle makers believe that they have longer burn times than candles made from paraffin wax.
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  • These blended waxes combine the ease of use of soy wax with the hardness and versatility of paraffin wax, and can be used in any type of candle.
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  • The candle wax you choose can be soy, paraffin, or even gel wax.
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  • Soy or beeswax aromatherapy candles seem to be especially popular on eBay, but there are plenty of opportunities available for those who wish to sell traditional paraffin candles as well.
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  • Gel candles burn twice as long as comparably sized paraffin candles and provide a 40 percent stronger light source.
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  • For many people, gel candles seem easier to make than traditional paraffin candles.
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  • Since they are brightly colored and featured embedded objects, many people make the mistake of assuming that gel candles are safer to than traditional paraffin candles.
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  • Many of the fragrance oils used to make traditional paraffin candles can also be used for gel candle making, but you should not assume all fragrance oils are automatically safe.
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  • Many candle makers enjoy working with soy wax, because it comes in a convenient flake form that's much easier to handle and measure than large blocks of paraffin wax.
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  • Soy enthusiasts claim that soy wax burns longer and cleaner, and is more natural than paraffin.
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  • Like paraffin or any other type of wax, candles made from soy wax can only handle so much scent before an oily residue will form on the sides and top of the candle.
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  • Try using these easy instructions to make a candle from paraffin wax and crayons.There are lots of other ways to get creative with crayon candles, too.
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  • Using the basic technique for a container candle, melt white paraffin wax and begin pouring it into a clear, wicked container.
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  • Use straight crayon wax, or tint paraffin wax with crayon bits.
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  • Paraffin wax works well, or you can choose a soy wax blend.
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  • Candle wax, be it paraffin, soy wax, beeswax, or a blend, can only hold a limited amount of added oil.
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  • What sets gel apart from paraffin, beeswax, soy, and tallow is the clearness of the product.
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  • Although paraffin waxes are amongst the cheapest and most popular waxes used for candle making, if you're looking to make the very best scented candles available soy wax will likely be your first choice.
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  • Unlike paraffin waxes that contain crude oil byproducts, soy wax is natural and biodegradable and, therefore, ideal for people who desire an environmentally-friendly non-toxic product.
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  • Varieties of paraffin wax are common in commercial candle products, but soy candles are typically the choice of those looking to create scented candles.
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  • Both soy and beeswax are natural products compared to paraffin wax which is a byproduct of crude oil; so if you're looking to make environmentally friendly non-toxic candles, soy and beeswax are amongst your better options.
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  • More advanced gel candles, however, involve techniques used to incorporate more or fewer bubbles into the gel, embed objects, and combine whipped paraffin or soy wax to the top of the candle for special effects.
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  • Over the years many different types of candle wax have been used including beeswax, tallow and paraffin wax.
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  • Paraffin wax is available in a variety of types with different melting points.
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  • Wholesale Supplies Plus offers paraffin, soy and a wax that is a blend of the two.
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  • Lone Star Candle Supply carries paraffin, soy and a wax that is a blend of the two.
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  • General Wax and Candle Company carries a variety of candle waxes including paraffin, soy, beeswax and blends.
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  • If you spill any paraffin oil, be sure to clean it up thoroughly before lighting the candle.
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  • In general, simple, unscented paraffin candles purchased in bulk will be the least expensive, while soy or other natural candles with unique scents are more costly.
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  • Melt a small amount of paraffin or soy wax in a coffee can or double boiler pan, and dip the votives into this mixture several times, waiting a few seconds between each dip.
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  • The most common type of wax used in making candles is paraffin wax, a hydrocarbon that is a byproduct of the refinement process of crude oil.
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  • Whether you are interested in learning to make candles using soy or paraffin wax, candle making starter kits have everything you need to begin making your own candles.
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  • Typically, candles are made from paraffin wax.
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  • While soy pillar candles are very popular because of their high quality fragrance and strong scent throw, they do tend to be significantly more expensive than candles made from paraffin wax.
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  • Slow, even burning - soy candles last up to three times longer than paraffin candles.
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  • Soybean candles are clean burning and produce less soot than paraffin candles, and leftover soybean wax is completely biodegradable.
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  • Just like paraffin candles, soybean wax candles can be found in a range colors, a variety of sizes, and dozens of popular scents.
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  • They are more expensive than paraffin candles, however, but the benefits outweigh the financial difference for many candle users.
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  • Their products were discovered by Scocozzo, who was impressed with their effort to make a candle that burned more cleanly than those made of traditional paraffin wax.
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  • Soy candles have a stronger fragrance than paraffin candles.
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  • Soy candles are said to be cleaner burning and produce less 90% less soot than paraffin candles.
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  • Beeswax votive candles offer many benefits, such as a sweet, natural scent and less soot or smoke than paraffin candles.
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  • The biggest advantage to purchasing beeswax candles in bulk is that you'll save money, especially considering that beeswax votives run a little more expensive than their paraffin or soy wax counterparts.
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  • Beeswax candles have very little soot compared to paraffin candles and will burn for a longer period of time.
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  • Many people feel the light emitted by beeswax candles is much stronger and brighter than the light from a paraffin candle.
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  • The ingredients in these candles offer a nice alternative to man-made fragrances and traditional paraffin wax.
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  • Soy candles can be a bit more expensive than their paraffin counterparts, but they are definitely more friendly to the environment both in production and home use.
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  • As a contrast, paraffin wax which is commonly found in candles comes from petroleum oil.
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  • Most big box department stores tend to carry paraffin candles, so you may have to search a bit for a soy-based candle scented with essential oils.
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  • Some companies will combine soy wax with the less expensive paraffin to stretch the budget.
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  • Once you try these products, you'll likely never go back to paraffin!
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  • One coating of the condenser is formed by one set of tubes and the other by the other set, the air between being the dielectric. Paraffin oil or any liquid dielectric of constant inductivity may replace the air.
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  • The former oil is almost invariably of an asphalte basis, whereas the latter sometimes is found to contain a considerable percentage of paraffin wax.
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  • Maxwell made a comparison between the optical refractive index and the dielectric constant of paraffin wax, and the approximation between the numerical values of the square of the first and that of the last was sufficient to show that there was a basis for further work.
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  • The chief exports to foreign countries are textile fabrics, Indian corn, meat, dairy products, apples, paraffin, boards and shooks; the chief imports from foreign countries are sugar, molasses and wool.
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  • They differ from the organic ammonium hydroxides in their behaviour when heated, yielding phosphine oxides and paraffin hydrocarbons: R4P OH=R3PO+RH.
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  • Many occur in nature in the free state: for example, natural gas, petroleum and paraffin are entirely composed of such bodies; other natural sources are india-rubber, turpentine and certain essential oils.
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  • The haloid esters of the paraffin alcohols formed by heating the alcohols with the halogen acids are the monohaloid derivatives of the paraffins, and are more conveniently prepared by the action of the phosphorous haloid on the alcohol.
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  • The town is connected by rail with the main Transcaucasian railway to Tiflis, and is the chief port for the export of naphtha and paraffin oil, carried hither in great part through pipes laid down from Baku, but partly also in tank railway-cars; other exports are wheat, manganese, wool, silkworm-cocoons, liquorice, maize and timber (total value of exports nearly 52 millions sterling annually).
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  • Some of them contain much organic debris, and when distilled yield paraffin oil, wax, compounds of ammonia, &c. In these oil-shales there are clear, globular, yellow bodies which seem to be resinous.
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  • They produce 90 percent less soot than paraffin candles.
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