
Bismuth telluride is gray crystalline powder and lump . It is a kind of semiconductor material with great conductibility and with bad heat conductivity. >> Get Price;

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A method for the simultaneous determination of arsenic,antimony,bismuth and ... bismuth subcarbonate; control philosophy for a ball millgrinding bismuth to powder;

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Bismuth is a chemical element with the symbol Bi and atomic number 83. Bismuth, a pentavalent posttransition metal and one of the pnictogens, ...

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