| 单词 | mercurous |
| 例句 | If "mercurous chloride," "calomel," "mercuric," "mercurio" or "mercury" is listed on the label, stop using the product immediately. FDA: Anti-Aging, Skin-Lightening Products May Contain Mercury 2016-08-03T04:00:00Z Compounds.—Aurous oxide, Au2O, is obtained by cautiously adding potash to a solution of aurous bromide, or by boiling mixed solutions of auric chloride and mercurous nitrate. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z It is formed by the action of a solution of mercurous nitrate, containing some nitrous acid, on alcohol. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" 2011-07-16T02:00:16.387Z A. Werner determined the molecular weights of mercurous, cuprous and silver bromides, iodides and chlorides in pyridine solution, and obtained results pointing to the formula HgCl, etc. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" In all these cases of partial decomposition some of the mercurous chloride—the calomel—is changed into soluble mercuric chloride and metallic mercury. The History of the Medical Department of Transylvania University For this purpose the cold solution is treated with hydrochloric acid, which precipitates lead, silver and mercurous salts as chlorides. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" Minor sources include the black or gray sulphide, metacinnabar, the native metal, and the white mercurous chloride, calomel. The Economic Aspect of Geology In its properties it shows some analogy to the halogen acids, since it forms difficultly soluble lead, silver and mercurous salts. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon" The specific value of mercurous chloride is that it exerts the valuable properties of mercuric chloride in the safest and least irritant manner, as the active salt is continuously and freshly generated in small quantities. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" It is destroyed by impure air, and on exposure to sunshine gradually turns black, being superficially decomposed into oxygen and metallic mercury or mercurous oxide. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists How could you distinguish between mercurous chloride and mercuric chloride? An Elementary Study of Chemistry The majority are soluble in water, the chief exceptions being silver bromide, mercurous bromide, palladious bromide and lead bromide; the last is, however, soluble in hot water. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The solution containing the molybdate is neutralised and treated with an excess of mercurous nitrate. A Text-book of Assaying: For the Use of Those Connected with Mines. Its pharmacopeial preparations are the “Black wash,” in which calomel and lime react to form mercurous oxide, a pill still known as “Plummer’s pill” and an ointment. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" A blue containing mercurous nitrate must necessarily be injured by impure air, and be otherwise objectionable. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists All chlorides are soluble save silver and mercurous chlorides. An Elementary Study of Chemistry The fumes of ammonia have formed the precipitate of black, mercurous nitrate, a very distinct black writing which is almost indelible. Master Tales of Mystery, Volume 3 The precipitate is allowed to settle for some time, filtered, and washed with a dilute solution of mercurous nitrate. A Text-book of Assaying: For the Use of Those Connected with Mines. The molecular weight of mercurous chloride has given occasion for much discussion. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" It consists of a pure zinc plate separated from a pool of mercury by a paste of mercurous proto-sulphate and saturated solution of sulphate of zinc. The Story of Electricity Most mercurous salts are insoluble in water, the principal soluble one being the nitrate, which is made by the action of cold, dilute nitric acid on mercury. An Elementary Study of Chemistry Examine cinnabar, vermilion, mercury, red oxide, mercurous and mercuric chloride. An Introduction to Chemical Science Boiling with stannous chloride solution reduces it to the metal; digestion with potassium iodide gives mercurous iodide. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" It is manufactured by heating a mixture of mercurous sulphate and common salt in iron retorts, and condensing the sublimed calomel in brick chambers. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" Silver chloride, lead chloride, and mercurous chloride are insoluble in water and acids, and can be prepared by adding hydrochloric acid to solutions of compounds of the respective elements. An Elementary Study of Chemistry Silver forms two oxides but only one series of salts, namely, the one which corresponds to the mercurous and cuprous series. An Elementary Study of Chemistry Like mercurous chloride it is a white solid, but differs from it in that it is soluble in water. An Elementary Study of Chemistry If a solution of potassium iodide is added to solutions of a mercurous and a mercuric salt respectively, the corresponding iodides are precipitated. An Elementary Study of Chemistry In the wet way it is obtained by precipitating a mercurous salt with hydrochloric acid. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" |
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