Arsenic As2O3
Offer type: salePublished: 07.07.2015
Price: | negotiated |
Seller: | Ivanova Tat'yana |
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Address: | Ukraine, Zaporiz'ka Oblast', Zaporizhia |
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Arsenous anhydride
Formula : As2O3
Molecular weight : 9.999
Description : it Occurs as a by-product during the smelting of lead, copper and other nonferrous metals and roasting ores containing As.
Used for the manufacture of insecticides; the lightness of glass; preserving furs and leather; cleaning of gases from H2S; the initiation of polymerization reactions; in the production of pyrotechnic materials.
Is obtained from the exhaust gases of the smelting furnaces (gas arsenic"); oxidizing roasting of ARSENICAL pyrites FeAsS.
Physical and chemical properties. Solid. Exists in three versions. T. point, the monoclinic modification 313°; b. p .. 456°; sob. 4,15; Sol in water 2,04 g/100 g (25°). Amphotere with a predominance of acidic properties. The aqueous solution is acidic.
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