Tellurium metal is a chemical element with the symbol Te and atomic number 52. It is a brittle, mildly toxic, rare, silver-white metalloid. Tellurium is chemically related to selenium and sulfur, all three of which are chalcogens. It is occasionally found in native form as elemental crystals. Tellurium is far more common in the Universe as a whole than on Earth. Its extreme rarity in the Earth’s crust, comparable to that of platinum, is due partly to its formation of a volatile hydride that caused tellurium to be lost to space as a gas during the hot nebular formation of Earth,and partly to tellurium’s low affinity for oxygen, which causes it to bind preferentially to other chalcophiles in dense minerals that sink into the core.
Tellurium is a brittle, silver-white element with a pleasant metallic luster, plastic when heated. In free form, tellurium is extremely rare in nature.
Ingot: 2 kg;
Density: 6.24 g / cm³;
Melting point: 722.7 K;
Boiling point: 1263 K;
|Fe||Si||S||Al||Cu||Pb||Se||Te||Na||Impurities, not more than (%)|
|0.001||0.001||0.04||0.001||0.002||0.001||0.01||min 99.93||0.01||< 0.07|
Tellurium and its compounds are used in semiconductor technology, in the glass and rubber industry, for the manufacture of photovoltaic cells.
The use of tellurium and its compounds is very extensive, the metal is widely used in Metallurgy, where it is introduced into the composition of alloys, increasing their wrapability and foundry quality. Electronics, for the production of solar cells. Space technology, to detect hardware radiation.
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Tellurium metal chemical composition:https://en.wikipedia.org/wiki/Tellurium
Full list of rare-earth metal products: https://tradingwm.ae/product-category/metal-products/rare-earth-metals/