Tellurium Powder CAS 13494-80-9
Used as additive for semiconductor devices, alloys, chemical raw materials, cast iron, rubber, glass and other industries. Rhombic crystal system silver white crystal. Melting point is 452 ℃. The boiling point of 1390 ℃. The relative density is 6.25. Soluble in sulfuric acid, nitric acid, Aqua regia, potassium cyanide, potassium hydroxide; Insoluble in cold and hot water, carbon disulfide.
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* Results of inspection :(total impurity not more than 0.01)
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As:0.0008
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Fe:0.0005
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Cu:0.0008
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Al:0.0003
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Pb:0.0004
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Na:0.002
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Se:0.001
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Mg:0.0006
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i:0.0006
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S:0.001
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Bi:0.0004
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