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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