Heptasodium Tungsten
Basic Information
Chinese Name: 庚钠钨三十九碳水合物
CAS Number: 87261-30-1
Chemical Formula: H78Na7O39W11
Molecular Weight: 2885.76000
Exact Weight: 2886.80000
PSA：359.97000
LOGP：-2.50770
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Cesium tungsten bronze is a blue-black powder, functional compound of non-stoichiometry and specific structure of oxygen octahedral, and has low resistivity and low temperature superconductivity property.
Tungsten trioxide, also known as tungsten oxide or tungstic anhydride, WO3, is a chemical compound containing oxygen and the transition metal tungsten.
Tungsten carbide powder (WC) is the main raw material for producing cemented carbide, chemical formula WC. Tungsten carbide powder is a black six square crystal with metallic luster and hardness similar to diamond. It is a good conductor of electricity and heat.
Tungsten belongs to the rare element in the earth's crust containing only 0.007% of China's tungsten reserves of about 55% of the world's total reserves in the first place.