Molecular formula: Sb2O3 Molecular weight: 291.5Properties and features: white powder. atoxic. The melting point is 9656℃.Theboilingpoint is 1425℃.Insoluble in water. Soluble in chlorhydric acid, sulfuric acid. Quality standard
Item | High purity type | Specialty type | General type |
Sb2O3 %≥ | 99.80 | 99.50 | 99.00 |
AS2O3 %≤ | 0.05 | 0.06 | 0.12 |
PbO %≤ | 0.08 | 0.10 | 0.20 |
Fe2O3 %≤ | 0.005 | 0.006 | -- |
CuO %≤ | 0.002 | 0.002 | -- |
Se %≤ | 0.004 | 0.005 | -- |
Whiteness %≥ | 95 | 93 | 91 |
Medium grain size um | 0.3-0.9 | 0.3-0.9 | -- |