| 单词 | double salt |
| 例句 | The salt of wisdom of the alchemists, a double salt composed of the chlorides of ammonium and mercury. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z A double salt of boric and silicic acids, as in the natural minerals tourmaline, datolite, etc. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z The double salt of quinia and urea answers for this purpose, as it is very soluble in water and does not produce inflammation of the connective tissue. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Substances which form isodimorphous groups also frequently crystallize as double salts. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z Again, fluorine shows a great tendency to form double salts, which have no counterpart among the compounds formed by the other members of the family. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 8 "Haller, Albrecht" to "Harmonium" 2012-01-02T03:00:22.443Z It is possible to distinguish between double salts and salts of compound acids. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z It combines with chlorides of the alkali metals to form double salts, and also with barium, calcium, strontium, and magnesium chlorides. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" Many hydrated forms of the sulphate are known, as are also double salts of the sulphate with potassium, sodium, ammonium, thallium and cadmium sulphates. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" Somewhat analogous to double salts are the molecular compounds formed by the introduction of “water of crystallization,” “alcohol of crystallization,” &c. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z "Citrate of iron and ammonium" is a double salt formed of ferric citrate and citrate of ammonium, and comes in brown shining leaflets. Harper's Round Table, August 27, 1895 The difference between chrome alum and alum crystals is principally that chrome alum has twice the strength of alum crystals, being a double salt, instead of the commercial alum usually sold. Harper's Round Table, August 13, 1895 It forms many double salts with other metallic fluorides. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" Some metallic chlorides readily form double chlorides, the most important of these double salts being the platinochlorides of the alkali metals. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" It may happen that the crystals do not form double salts, and are only miscible in certain proportions. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" Alum.—This is what is termed a double salt, and is composed of sulphate of alumina and sulphate of potash. Museum of Antiquity A Description of Ancient Life Temperature, pressure, mass-action, and the crystallization of double salts are all factors which influence the nature and rate of the processes and add to their complexity. The Economic Aspect of Geology Salts of ammonia form, with those of silver, double salts, from which the oxide of silver is not precipitated by the alkalies. Notes and Queries, Number 203, September 17, 1853 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. The double salt is non-toxic, though sometimes in exceedingly weak patients it produces vertigo. The Medicinal Plants of the Philippines This had the double disadvantage of rendering the specimen cured by its aid almost dripping with humidity in damp weather, and efflorescing with the double salts around the eyes and mouth in dry weather. Practical Taxidermy A manual of instruction to the amateur in collecting, preserving, and setting up natural history specimens of all kinds. To which is added a chapter upon the pictorial arrangement of museums. With additional instructions in modelling and artistic taxidermy. That the ancients were acquainted with this double salt has been disputed, but we think there can be no doubt of its existence and use at a very early period. Museum of Antiquity A Description of Ancient Life The ammonia at once unites with the phosphate of magnesia to form a double salt—phosphate of ammonia and magnesia—which, being insoluble, is at once precipitated. Special Report on Diseases of the Horse Small double salt and pepper earthen vessel, box-shaped, and decorated. Illustrated Catalogue of the Collections Obtained from the Pueblos of Zuñi, New Mexico, and Wolpi, Arizona, in 1881 Third Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1881-82, Government Printing Office, Washington, 1884, pages 511-594 Borax acts either as a flux, or through the formation of double salts. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations It forms a very sensitive double salt with ammonia and several other metals. Nitro-Explosives: A Practical Treatise So far, however, as the application to dyeing is concerned, it is unnecessary to prove that the ancients used our double salt alum. Museum of Antiquity A Description of Ancient Life Its salts are colorless, or of a pale rose color, and have a strong tendency to form double salts with the salts of ammonia. Scientific American Supplement, No. 401, September 8, 1883 By leaving the hot saturated solution to cool it does not cloud, but the double salt separates pretty rapidly in the form of plates. Scientific American Supplement, No. 324, March 18, 1882 When this double salt is heated, the water and the ammonia escape, while the incombustible residue has a composition similar to borax, viz., a free acid and an easily fusible salt. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations Zinc may be separated from a solution of the double salt fully as easily and rapidly as the previously mentioned metals were. Scientific American Supplement, No. 299, September 24, 1881 It yields a crystalline hydrochloride and double salt with gold chloride and has given it the formula C_5H_11NO_2. The Vitamine Manual If the manganese is converted into the soluble double salt, prepared by adding an excess of potassium, and submitted to the electric current, the whole of the manganese will be deposited at the positive electrode. Scientific American Supplement, No. 299, September 24, 1881 Tin may be easily estimated by electrolysis; it can be separated from its hydrochloric acid solution, or from its double salt with ammonium oxalate, as a beautiful silver gray coating on the platinum. Scientific American Supplement, No. 299, September 24, 1881 The greatest part of the formed double salt crystallizes, while the mother-liquid contains chloride of sodium, and some of the double salt. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations The electrolytic separation of cobalt is much more easily and rapidly effected when the potassium oxalate is substituted by the corresponding ammonium salt, as the latter forms a soluble double salt with the cobalt compounds. Scientific American Supplement, No. 299, September 24, 1881 |
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