| 单词 | calcium chloride |
| 例句 | Moreover, additives like calcium chloride and artificial coloring are allowed in Parmesan, as are other nontraditional steps in the cheesemaking process. What's the difference between Parmigiano Reggiano and Parmesan? 2023-02-04T05:00:00Z There were variations in salt content, and some contained calcium chloride, an additive that firms the flesh of the tomatoes to help with processing, Mr. Sullivan said. The Best Canned Tomatoes 2020-03-23T04:00:00Z Tomatoes packed without salt or calcium chloride tasted and felt more like fresh tomatoes. It’s Canned Tomato Season. Here’s What You Need to Know. 2017-09-25T04:00:00Z Rock salt and de-icers that contain calcium chloride are the worst. How to fix outdoor steps that are oozing a weird substance 2016-06-24T04:00:00Z Solid calcium hydroxide is then added to the seawater, reacting with dissolved magnesium chloride to yield solid magnesium hydroxide and aqueous calcium chloride. Chemistry 2019-02-14T00:00:00Z The coolant in Sunday's leak was a solution of calcium chloride, used in concrete mixes to hasten setting and in food to firm it. Explainer: Wall of ice at Fukushima's crippled nuclear plant 2022-01-25T05:00:00Z Every winter, de-icing salts — sodium chloride, calcium chloride and magnesium chloride — battle icy roads nationwide. Citing danger to freshwater, scientists say we need to put brakes on road salts 2021-12-31T05:00:00Z Still, calcium chloride does put chloride ion, which plants don’t like, into the soil, and it is more expensive and more corrosive to vehicles than sodium chloride. For your plants’ sake, go easy on the salt 2021-01-21T05:00:00Z He learned how to manipulate liquid nitrogen and carbon dioxide, how sodium alginate and calcium chloride could turn olive juice into an opalescent olive sphere. The Fed-Up Chef 2020-10-21T04:00:00Z Solid calcium fluoride can also be prepared by the reaction of aqueous solutions of calcium chloride and sodium fluoride, yielding aqueous sodium chloride as the other product. Chemistry 2019-02-14T00:00:00Z The gel—a mix of carbon nanotubes in polymers with a water-attracting calcium chloride salt—causes the vapor to condense into droplets that the gel holds. New solar panels suck water from air to cool themselves down 2020-05-11T04:00:00Z This is by design, as most brands of diced tomatoes contain calcium chloride, which keeps the tomatoes firm. Canned tomatoes are pantry all-stars. Here’s how to choose and use them. 2020-02-28T05:00:00Z But besides being more expensive than either sodium chloride or calcium chloride, fertilizers such as potassium chloride or ammonium nitrate are most effective only at temperatures above about 20 degrees Fahrenheit. For your plants’ sake, go easy on the salt 2021-01-21T05:00:00Z Dissolve 2 g of calcium chloride into 100 mL of water. 3 Super-Fun Experiments for Pint-size Scientists 2018-08-16T04:00:00Z The trailer was hauling compressed calcium chloride, a chemical used for de-icing. Tanker rollover closes lane of Interstate 15 near Bountiful 2018-05-20T04:00:00Z Another tank car leaked calcium chloride, described as “nonhazardous,” and a third leaked ethanol. Virginia Avenue Tunnel project advances in D.C. amid neighborhood disruption 2017-01-28T05:00:00Z Public Works Director Bob Kennedy says the city previously used calcium chloride to treat salt, but that cost about 68 cents per gallon. Fort Wayne turns to brine to keep roads free of ice 2016-10-30T04:00:00Z Officials say the truck was carrying calcium chloride at the time of the crash, but no chemicals spilled from the semi. Substitute driver of bus involved in crash charged 2016-09-06T04:00:00Z Another tank car leaked calcium chloride, described as “non-hazardous,” and a third leaked ethanol. Report: Wheel failure caused May CSX train derailment in Northeast D.C. 2016-08-17T04:00:00Z Products made with another salt, calcium chloride, melt to much lower temperatures, but those are even more irritating to paws than rock salt, Dr. Wismer says. The Safest Ice-Melt Products for Your Pet in the Snow 2016-01-22T05:00:00Z Every well in the Appalachian basin uses liquid calcium chloride, he said. Company puts used fracking fluid to other uses 2015-11-15T05:00:00Z He pointed to Don Juan Pond in Antarctica, which remains liquid year round in subzero temperatures because of high concentrations of calcium chloride salt. Signs of Liquid Water Found on Surface of Mars, Study Says 2015-09-28T04:00:00Z In 2010, Community Board 2 noted neighbors’ concerns about salt dust and calcium chloride on the site. A Building That Resembles What It Stores: Salt for New York City’s Roads 2015-09-16T04:00:00Z It is made chiefly from calcium chloride and a seaweed derivative called sodium alginate. Edible water bottle to cause a splash at EU sustainability awards 2015-09-10T04:00:00Z They do allow a few chemicals to remain at a higher concentration: magnesium chloride, calcium chloride, bromine chloride and sodium chloride—all salts. Road De-Icing Fluids May Contain Unhealthy Chemicals 2015-03-05T05:00:00Z This is Spain, padre…the world capital of molecular cuisine, of calcium chloride olives, of ice balls that implode and vanish in your mouth. Hello Again, Madrid: Finding What's New in What's Old 2014-10-14T04:00:00Z They used magnesium chloride and calcium chloride, more effective at lower temperatures but also more expensive. Lincoln to use new melting method this winter 2014-09-20T04:00:00Z Magnesium chloride, magnesium sulfate, and calcium chloride are all inorganic salts. Why Your Bottled Water Contains Four Different Ingredients 2014-07-24T04:00:00Z Material in the remaining 14 tanks contain calcium chloride and glycerin, the statement said. Chemical tanks ordered removed in West Virginia after spill 2014-01-26T00:59:29Z The substances commonly employed are glycerine, wood alcohol, or a saturated solution of calcium chloride. Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z This liquid, which acts as the carrier of the cold, is called "brine," and is water to which is added calcium chloride to keep it from freezing. Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science 2011-11-19T03:00:24.517Z In another series of bottles, lumps of calcium chloride were substituted for the sulphuric acid. Paint Technology and Tests 2011-09-15T02:00:12.263Z Nestle Pure Life’s list includes calcium chloride, sodium bicarbonate, and magnesium sulfate. Why Your Bottled Water Contains Four Different Ingredients 2014-07-24T04:00:00Z The presence of traces of calcium chloride and chloro-organic compounds might tend to increase the corrosive properties of a water but this increase is probably so small as to be negligible. Chlorination of Water 2011-09-13T02:00:32.243Z Glycerine affects the rubber hose, while the calcium chloride solution crystallizes and deposits salt in the radiator and water pipes. Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z The colors are produced by heating metal salts, such as calcium chloride or sodium nitrate, that emit characteristic colors. What Makes Them Go Boom? Our Favorite Explainers on the Science of Fireworks 2011-06-30T21:15:00.257Z The distillate is purified by treatment with lime and calcium chloride, and subsequent distillation. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" 2011-02-27T03:00:31.973Z To facilitate the communication of the charge to the needle, the quartz fibre and its attachments are rendered conductive by a thin film of solution of hygroscopic salt such as calcium chloride. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z This is the cause of boiler scale, and to check this a small amount of sal ammoniac may be added to the water, which converts the carbonate into soluble calcium chloride and volatile ammonium carbonate. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. The cooling system is prone to overheat after antifreezing solutions of which calcium chloride forms a part have been used. Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z Into this solution we dropped a fragment of fused calcium chloride, and obtained a vermiform growth some 6 millimetres in diameter. The Mechanism of Life His chemical racks contained enough soda-lime to absorb the excess carbon dioxide, enough calcium chloride to keep down the humidity and enough charcoal to sweeten the body odors for much more than that period. Astounding Stories, August, 1931 The ore is first treated with dilute sulphuric acid, and then ferrous or calcium chloride added, thus forming copper chlorides. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" Salt may contain magnesium and calcium chlorides, which of course are undesirable in large amounts. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. The increase in weight of the calcium chloride tube gives the weight of water formed, and of the potash bulbs the carbon dioxide. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" In other cases we have a local evolution of gas, which may be demonstrated by growing a fragment of calcium chloride in a mother liquor composed of the following saturated solutions:— Potassium carbonate 76 parts. The Mechanism of Life Fused calcium chloride is the commonest absorbent; but it must not be used with alcohols and several other compounds, since it forms compounds with these substances. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 2 "Demijohn" to "Destructor" If calcium chloride be used the precipitated calcium sulphate must be removed by filtration. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" Wright has further ascertained in his excellent researches, that the clotting time can be influenced by drugs: calcium chloride, carbonic acid raise, citric acid, alcohol and increased respiration diminish the clotting power of the blood. Histology of the Blood Normal and Pathological Wash the residue from the filter paper, dissolve by heating with dilute hydrochloric acid, and add calcium chloride solution and ammonia until alkaline. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. A calcium osmotic growth which has thus become exhausted may be rejuvenated by transferring it to a concentrated solution of calcium chloride. The Mechanism of Life Of the hygroscopic substances in common use, phosphoric anhydride, concentrated sulphuric acid, and dry potassium hydrate are almost equal in power; sodium hydrate and calcium chloride are not much behind. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 2 "Demijohn" to "Destructor" Hot air is blown into the filtrate, which contains ferrous or calcium chlorides, to expel the excess of sulphur dioxide, and the liquid can then be used again. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" It most abundantly occurs as apatite, a mineral consisting of calcium phosphate, with small quantities of calcium fluoride or calcium chloride. Manures and the principles of manuring In obscure cases, quinine, sodium salicylate, arsenic, pilocarpine, atropia, potassium bromide, calcium chloride, and ichthyol are to be variously tried; general galvanization is at times useful, as is also a change of scene and climate. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine Very beautiful growths may be obtained by sowing calcium chloride in a solution of potassium carbonate, with the addition of 2 per cent. of a saturated solution of tribasic potassium phosphate. The Mechanism of Life I have even used a plug of it instead of a cork for making the joint between a gas delivery tube and a calcium chloride tower. On Laboratory Arts Ferric chloride, 4 parts; zinc chloride, 5 parts; aluminum chloride, 4 parts; calcium chloride, 5 parts; magnesium chloride, 3 parts; and water sufficient to make 90 parts. Practical Mechanics for Boys The first consists of calcium phosphate along with calcium fluoride; and in other kinds of apatite the calcium fluoride is replaced by calcium chloride. Manures and the principles of manuring It also stands first in the production of salt, bromine, calcium chloride, graphite, and sand lime brick. Practical English Composition: Book II. For the Second Year of the High School Consider, for instance, a fragment of calcium chloride immersed in a solution of sodium carbonate. The Mechanism of Life Commercial sodium tungstate is fused with dried calcium chloride in the proportion of three parts of the former to two parts of the latter, both constituents being in fine powder and well mixed together. On Laboratory Arts Could calcium chloride be used in place of barium chloride in testing for sulphates? An Elementary Study of Chemistry Electrolysis of lime or calcium chloride in contact with mercury gave similar results. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Thus, if a soft water only is to hand, and it is desired to brew a bitter ale, all that is necessary is to add a sufficiency of gypsum, magnesium sulphate and calcium chloride. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Glass wool serves to hold the calcium chloride and iodine in place. The Science of Fingerprints Classification and Uses The entry to the calcium chloride should be permanently fitted to about a yard of fine soft rubber tubing, as light as possible. On Laboratory Arts The resulting calcium chloride and chlorate are both very soluble. An Elementary Study of Chemistry These chemists electrolyse either pure calcium chloride, or a mixture of this salt with fluorspar, in a graphite vessel which serves as the anode. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" The substitution of potassium chlorate for pyrolusite is recommended when calcium chloride is present in the bittern. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Purified ether from which the ethylic alcohol has been removed by washing with distilled water, and most of the water by subsequent distillation in the presence of calcium chloride and lime. Aids to Forensic Medicine and Toxicology The quantity of water may be determined, either indirectly by the loss, or directly by collecting it in a calcium chloride tube, and weighing. A Text-book of Assaying: For the Use of Those Connected with Mines. By evaporating a solution to dryness and heating to a moderate temperature calcium chloride is obtained anhydrous as a white porous mass. An Elementary Study of Chemistry Whereas calcium chloride, bromide, and iodide are deliquescent solids, the fluoride is practically insoluble in water; this is a parallelism to the soluble silver fluoride, and the insoluble chloride, bromide and iodide. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" His seeds are fragments of calcium chloride, and his soil is a solution of the alkaline carbonates, phosphates, or silicates. The Breath of Life You will have gums and resins from the wood, calcium chloride from the bleach vats, acids from the "sours"; resin, and resin-soaps; there may also be alumina salts present. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association The water is driven off and condenses in the calcium chloride tube, which is afterwards cooled and weighed. A Text-book of Assaying: For the Use of Those Connected with Mines. The only materials permanently used up are calcium carbonate and salt, while the only waste product is calcium chloride. An Elementary Study of Chemistry Calcium metasilicate, CaSiO3, occurs in nature as monoclinic crystals known as tabular spar or wollastonite; it may be prepared artificially from solutions of calcium chloride and sodium silicate. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" This is decomposed by "alkali waste," giving a final liquor of calcium chloride, which is run to waste, and a quantity of ammonium sulphide gas. Scientific American Supplement, No. 611, September 17, 1887 The two substances may be roughly separated by the addition of calcium chloride, which combines with the methyl-alcohol. Nitro-Explosives: A Practical Treatise The mouth of the flask is closed with a cork carrying a tube which is filled, the first half with calcium chloride and the second half with pumice coated with dried copper sulphate. A Text-book of Assaying: For the Use of Those Connected with Mines. For example, if a bit of dry calcium chloride is placed in moist air, in the course of a few hours it will have absorbed sufficient moisture to dissolve it. An Elementary Study of Chemistry The normal salt may be obtained artificially, as a white gelatinous precipitate which shrinks greatly on drying, by mixing solutions of sodium hydrogen phosphate, ammonia, and calcium chloride. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" In the air it deliquesces much more rapidly than ignited calcium chloride. Scientific American Supplement, No. 455, September 20, 1884 The method of analysis is as follows:—Weigh out 10 grms. of the substance, previously cut up into small pieces with a platinum spatula, and place over calcium chloride in a desiccator for some days. Nitro-Explosives: A Practical Treatise The tube is then placed in a small combustion-furnace, and connected with calcium chloride and potash bulbs, as shown in fig. A Text-book of Assaying: For the Use of Those Connected with Mines. A tube containing calcium chloride was found to weigh 30.1293 g. An Elementary Study of Chemistry It is obtained as rhombic plates by mixing dilute solutions of calcium chloride and sodium phosphate, and passing carbon dioxide into the liquid. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" It may best be preserved in jars containing calcium chloride, but this must not be allowed to come into contact with the wire. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Finally, dry the product by adding a little granulated calcium chloride, and allowing to stand for some little time, it may then be distilled. Nitro-Explosives: A Practical Treatise The increase in weight in the calcium chloride tube will be due to the water formed by the oxidation of the combined hydrogen. A Text-book of Assaying: For the Use of Those Connected with Mines. We have already employed calcium chloride as an agent for absorbing the moisture from hydrogen. An Elementary Study of Chemistry It is easily soluble in water and alcohol, and is thrown out of its aqueous solution by the addition of calcium chloride. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Desiccators should be filled with fused, anhydrous calcium chloride, over which is placed a clay triangle, or an iron triangle covered with silica tubes, to support the crucible or other utensils. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Josef Horadam, some few years ago, patented in Germany a process for preserving glues from decomposition, by the addition of from 8 to 10 per cent. of magnesium or calcium chlorides. Scientific American Supplement, No. 598, June 18, 1887 The sixth also contains calcium chloride and soda-lime; its object is to prevent the access of moisture and carbonic acid to the weighed tube from this direction; it is connected with an aspirator. A Text-book of Assaying: For the Use of Those Connected with Mines. Dr Wolff employs purifiers in which the gas is washed with water containing calcium chloride, and then passed through bleaching-powder solution or other oxidizing material. The Project Gutenberg Encyclopedia Volume 1 of 28 Also solid potassium carbonate may be used instead of calcium chloride for drying the gas. Scientific American Supplement, No. 497, July 11, 1885 The mineral apatite is composed of calcium phosphate, associated with calcium chloride, or fluoride. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Thus calcium chloride and sulphate are removed, and calcium sulphide, if present, is destroyed. Scientific American Supplement, No. 324, March 18, 1882 The presence of magnesium chloride, or of calcium chloride, in water, diminishes its power of dissolving sulphate of lime, while the presence of sodium chloride increases that power. Scientific American Supplement, No. 363, December 16, 1882 If, however, the carbide contains calcium chloride, frothing is liable to occur. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power The tube connected with a large U-shaped drying tube filled with calcium chloride, which, in turn, connected with a long open tube with an upturned end. The Exploits of Elaine Since soda lime contains considerable moisture, the other half of the right side of the tube is filled with small lumps of dry, dust-free calcium chloride to retain the moisture from the soda lime. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The reaction mixture is now steam distilled, the mesitylene separated, dried over calcium chloride and fractionated; the portion which boils at 163-167'0 is collected. Organic Syntheses A small tube containing calcium chloride is connected with the Geissler bulb proper by a ground joint and should be wired to the bulb for safety. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes In the absence of calcium chloride, the main cause of frothing seems to be the presence in the generator of new paint or tar. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power The small quantity of moisture which is then carried out of the bulbs is held by the calcium chloride in the prolong tube. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Loose plugs of cotton are placed at the top of each arm and between the soda lime and the calcium chloride. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes It is dried while hot by stirring a short time with a little calcium chloride, and then filtered through an ordinary funnel into a 1-l. distilling flask before it cools. Organic Syntheses A 0.1 per cent. solution of calcium chloride appears to yield some foam when carbide is decomposed in it, and a 1 per cent. solution to foam in a pronounced manner. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power As between calcium chloride and glycerin there is little to choose; the former will be somewhat cheaper, but the latter will not be prohibitively expensive if the high-grade pure glycerins of the pharmacist are avoided. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power Puratylene also removes ammonia by virtue of the calcium chloride in it. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power |
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