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Bismuth Oxide (Bi2O3)-Powder

  • 1304-76-3

  • Bi2O3

  • 830800PD

  • 99.9%-99.9995%

  • - 325 mesh .etc

  • 215-134-7

Availability:

Characteristic


Bismuth(III) oxide is perhaps the most industrially important compound of bismuth. It is also a common starting point for bismuth chemistry. It is found naturally as the mineral bismite (monoclinic) and sphaerobismoite (tetragonal, much more rare), but it is usually obtained as a by-product of the smelting of copper and lead ores. Dibismuth trioxide is commonly used to produce the "Dragon's eggs" effect in fireworks, as a replacement of red lead.


Chemical formula:Bi2O3

Molar mass:465.96 g/mol

Appearance:yellow crystals or powder

Odor:odorless

Density:8.90 g/cm3, solid

Melting point:817 °C (1,503 °F; 1,090 K)

Boiling point:1,890 °C (3,430 °F; 2,160 K)

Solubility in water:insoluble

Solubility:soluble in acids

Magnetic susceptibility (χ):-83.0·10−6 cm3/mol

Crystal structure:monoclinic, mP20


Application


Preparation of bismuth salts;Used as electronic ceramic powder material, electrolyte material, photoelectric material, high temperature superconductor material, catalyst.Bismuth oxide, as an important additive in electronic ceramic powder materials, is generally required to be more than 99.15% pure.As well as glaze rubber compounding agent, medicine, red glass compounding agent and other aspects.


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