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Tellurium

此商品信息发布于2008-8-14 13:45:45，截止近日被阅读37次

伍秋杰所在地：佛山市　行业：冶金矿产职位：经理

Property

Silver gray substance, insoluble water & non-oxidized acid. Insoluble in nitric acid, strong vitriol & hot strong alkali solutions. Tellurium, a kind of dissipated element, Tellurium and its chemical compound are semiconductor material in electronic industry. TeO2, an oxide of tellurium, is formed by tellurium bumping in the air or oxidation lf hot nitric acid.

Usage

High quality materials to manufacture photo electricity and thermoelectricity parts, Widely used in metallurgy, electric, chemical, pharmaceutical, aerospace. National defense industry, especially used in high tech fields, such as computer, Ir. Remote sensing, military technology etc. It is also a vulcanizing agent of rubber and used for material of making the light sensitive resistor and light-sensitive battery.

Package

1# Tellurium ingot; about 25kg(8 ingots) in plastic vacuum bag with outer wood box; High pure tellurium; 10-12kg in aluminum plastic film vacuum bag with outer iron drum.

Index

Item	Refernce Value(%)	Test Value(%)
Te	99.99 Min	99.99 Min
Cu	0.001 Max	0.0005 Max
Pb	0.002 Max	0.0005 Max
Fe	0.001 Max	0.000835 Max
Bi	0.001 Max	0.000758 Max
Na	0.003 Max	0.00104 Max
Mg	0.001 Max	0.0005 Max
Al	0.001 Max	0.0005 Max
Se	0.002 Max	0.00131 Max
As	0.0005 Max	0.0005 Max
S	0.001 Max	0.0005 Max
Si	0.001 Max	0.000666 Max