Bismuth Trioxide (Bi2O3) is the prevalent commercial oxide of bismuth. As a precursor to the preparation of other compounds of bismuth, bismuth trioxide has specialized uses in optical glass, flame-retardant paper, and, increasingly, in glaze formulations where it substitutes for lead oxides.
| Bismuth Trioxide |
| Nickname: Bismuth Oxide |
| 【ＣＡＳ】1304-76-3 |
Properties
Bi2O3 Molecular Weight: 465.96; Yellow crystal powder of monoclinic crystal system; Relative weight: 8.9; Boiling point: 1,900℃. Melting point: 820℃. Dissolvable in acid; unable to dissolve in water or soda. Except for this, reports about Bi2O, BiO, Bi2O,2.7～2.8, Bi2O4, Bi3O5 and Bi2O6 are all unconfirmed as pure mortgages.
High Purity Bismuth Trioxide Specification
| Item No. | Chemical Component | Loss in weight on drying ≤(%) | |||||
| Bi ≥(%) | Foreign Mat.≤ppm | ||||||
| Na | Al | Cd | Ca | Cu | |||
| UMBT895 | 89.5 | 50 | 10 | 5 | 10 | 5 | 0.2 |
Packing: Blik drum(25kg),or paper bag.
Glaze, catalyst, rubber ingredients, medical products, red glass ingredients, raw materials for electronic materials (capacitor)
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