Min. Order Reference FOB Price
1 kg US$50.00-200.00 / kg
Product Description
High purity 3N 4N 5N superfine Se powder cas 7782-49-2 selenium powder 1. Features of selenium powder Amorphous red powder, becoming black on standing and crystalline on heating; vitreous and colloidal forms may be prepared. Amorphous form softens at 40 °C and melts at 217 °C. It rarely ...