Download e-book for kindle: Antimony: Its history, chemistry, mineralogy, geology, by Ch'ung-yu Wang

By Ch'ung-yu Wang

A Metallurgical paintings in English by means of a chinese language writer is rare; yet lengthy place of abode in the United States, and in England and different components of Europe, and lots more and plenty learn of English literature, have familiarised me with the language, and feature inspired me to make it the medium for featuring my paintings to the English-speaking public: and that i wish to show my because of Messrs Charles Griffin & Co. for the chance they've got afforded me of doing so.

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Extra resources for Antimony: Its history, chemistry, mineralogy, geology, metallurgy, uses, preparations, analysis, production, and valuation; with complete bibliographies

Example text

SeOCl2. POCl3. 3C6H6NO2. SbCl5. C5HSO.. (C2H5)2O. Ho0. 8H2O. H2O. 2NH8. 9H20. 9H2O. 4NH3. —This cannot be produced in a pure form. 2H20. 4H2O. H2O. —This is obtained by heating antimony at 130° with an excess of iodine, It is dark brown, and melts at 78°-79°. —When metallic antimony is treated with nitric acid, the pentoxide is formed. In a dry way it can be obtained thus :— 32 THE METALLURGY OF ANTIMONY. (a) Pulverised antimony with oxide of mercury. (b) Oxidisers, such as potassium permanganate, with the inferior oxides or sulphides.

25-81 Ag 7-34 Cu 1-86 Fe . . " . —In masses of fibrous structure, and also in fine noodles. H. = 2*5. G. = 5*4. Colour light gray. Lustre metallic. Occurrence. —Anquimarca, Peru. Famatinite. SbaS6. —Orthorhombic. Also massive, llathcr brittle. H. =-3*5. G-. = 4-57. Colour gray with a tinge of copper-red. Streak black. Opaque. —With enargite, chalcopyrite, pyrito, (itc, in the Sierra de Famatina, Argentine Jlopublie; also at Cerro do I^IHOO, Peru. Freieslebenite. 2Sb2Sn or Pbr)Sb#1Sn. —Monoelinic.

In this remarkable instance the sulphide is enclosed in successive concentric layers of oxide, with here and there scattered grains of gold. Stibnite is also found at Munster Gully, Dunolly, and at Donovan's Creek; the lode of the latter locality consists of nearly pure stibnite, attaining to a width varying from 1 foot 6 inches to 2 feet. At S anbury, there occurs a vein having an irregular course approaching to the strike of the Silurian strata. This vein, 3 inches to 8 inches in thickness, carries about 2 oz.

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Antimony: Its history, chemistry, mineralogy, geology, metallurgy, uses, preparations, analysis, production, and valuation; with complete bibliographies by Ch'ung-yu Wang


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