bismuth trioxide

Our factory can produce Bismuth Trioxide in good quality.( Bi2O3 ,Bismuth oxide) Purity: Bi2O3 99.95% Molecular formula:Bi2O3 CAS No.:1304-76-3;12640-40-3 EINECS No.:215-134-7;235-736-3 Molar mass:465.96 g/mol Appearance:yellow crystals powder Density:8.9 g/cm3, solid Melting point:824°C Boiling point:1890°C Properties: light yellow powder, odorless, heating becomes brown red, becomes yellow after cooling, Solubility: Soluble in acid, insoluble in water Uses: mainly used in chemical reagents, bismuth salt manufacture, glass coloring, varistors, thermistors, lightning arrester, kinescope, fire paper, nuclear reactor fuel, electronic ceramic powder materials, electrolyte materials, optical materials, high-temperature superconducting materials, catalyst, reduced to fine bismuth and so on.Product name Pyrogenic process B2O3β (orange yellow) specification Electronic grade 2um   items index Results of analysis JWβ-Ⅰ JWB-Ⅱ (Bi2O3) % ≥ 99.90 99.85 99.9874 (Li) % ≤ 0.0001 0.0005 0.0001 (Na) % ≤ 0.003 0.005 0.0004 (K) % ≤ 0.001 0.003 0.0001 (Ca) % ≤ 0.001 0.003 0.0003 (Mg) % ≤ 0.0005 0.0007 0.0001 (Al) % ≤ 0.001 0.002 0.0001 (Si) % ≤ 0.002 0.005 0.0004 (As) % ≤ 0.001 0.002 0.0002 (Cd) % ≤ 0.0005 0.0005 0.0001 (Fe) % ≤ 0.0005 0.001 0.0002 (Sn) % ≤ 0.0005 0.0005 0.0001 (Cr) % ≤ 0.0005 0.0008 0.0001 (Ni) % ≤ 0.0005 0.0005 0.0002 (Cu) % ≤ 0.0005 0.0008 0.0004 (Pb) % ≤ 0.0005 0.0008 0.000400 (Ag) % ≤ 0.0005 0.001 0.0002 (Sb) % ≤ 0.0005 0.0008 0.0005 (Cl) % ≤ 0.001 0.0015 0.0010 (SO ) % ≤ 0.001 0.0015 0.0004 Loss on drying % ≤ 0.1 0.1 0.3140 Insoluble in nitric acid % ≤ 0.05 0.05 0.00760 The batch product met the requirements of JWβ-Ⅰ Orange yellow Bi2O3 is mainly used in coating, battery, magnetic material etc



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