99.999% чистый теллуриевый слиток 5N и 6N

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Цена:138,00 $ - 148,00 $*

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Model ESTe.3NESTe.4NESTe.5N
Te(Min%)99.999.9999.999
ImpurityMax ppm
Ag2050.1
Al1080.4
Cu1050.5
Cd1020.1
Fe30100.2
Mg5050.1
Ni5050.5
Pb20100.5
Sn2031
Zn3050.1
Se30151
Si20100.5
Bi3080.4
Total50010010










Characteristic:It has a silver-white metallic appearance, a density of 6.25 g / cm3, a melting point of 452 ° C, a boiling point of 1390 ° C, and a hardness of 2.5 (Mohs hardness). There are two allotropic forms, crystalline and amorphous. Tellurium burns in the air with a blue flame and generates tellurium dioxide; it can react with halogens but not with sulfur and selenium. Soluble in sulfuric acid, nitric acid, potassium hydroxide and potassium cyanide solution. Poor heat transfer and electrical conductivity. Tellurium with a purity of more than 99.99% is called high-purity tellurium.
Application:It is used to prepare II-VI compound semiconductors, solar cells, thermoelectric conversion elements, refrigeration elements, light-emitting diodes, nuclear radiation detection, infrared detectors and other basic materials.

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