selenium

wendy@zj-zhengtai.comWe can supply selenium series as follows: 1. Crude selenium with selenium 20-99% 2. Selenium powderHigh-purity SeleniumWe sale High-purity Selenium like 4N 5N 6N Shape lump, grain, ingotHigh-purity Selenium 99.99% ，99.999%，99.9999% Shape: lump, grain, ingotMolecular Formula Se Molecular Weight 78.96Melting Point 217 degree Boiling Point 685 degree

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