Overview of Spherical bismuth oxide
Spherical bismuth oxide is an inorganic compound with the molecular formula Bi2O3, a yellow powder, insoluble in water but soluble in acid, and with a high melting point and boiling point. It is easy to be reduced to metallic bismuth by hydrogen, hydrocarbons, etc. In addition, the density of bismuth oxide changes with the crystalline type, and there are many kinds of crystalline types, and these properties make it able to show different properties under different conditions, so as to satisfy the needs of various applications.
|
Element |
Guarantee Value(max) |
|
Ag |
0.0005 |
|
Cu |
0.0005 |
|
Mg |
0.001 |
|
Ni |
0.0005 |
|
Ca |
0.0005 |
|
Fe |
0.001 |
|
Cd |
0.0001 |
|
Pb |
0.0005 |
|
A1 |
0.0005 |
|
Na |
0.001 |
|
CI |
0.001 |
|
SO42- |
0.001 |
Features of Spherical bismuth oxide
As a semiconductor catalyst, bismuth oxide has a good development prospect in the field of photocatalysis because its band gap energy is close to that of Ti02, and its stability is good. It can catalyse the decomposition of water and the degradation of pollutants with high efficiency, and its catalytic performance is especially outstanding under visible light. This makes bismuth oxide have important application value in environmental pollution control and energy conversion.
Bismuth oxide also has a high refractive index and dielectric constant, significant fluorescence properties, and inert water. These properties make it potentially valuable for applications in optics, electronics, and materials science.
Application of Spherical bismuth oxide
Electronic materials: including porcelain dielectric capacitors, piezo resistors, piezoelectric ceramics and other electronic components of the powder, adding ultrafine bismuth oxide powder can greatly improve the relevant parameters improve component performance;
Ferrite magnetic materials: adding ultrafine bismuth oxide powder can improve the magnetic induction strength, permeability and magnetic flux density, optimise the performance of magnetic materials;
Catalysts: In the petrochemical industry, the use of its large specific surface area, high activity, and good selectivity, greatly improve the catalytic activity, effectively reduce production costs, as well as related passivation, additives and so on;
Colour picture tube shade coating materials: It can effectively prevent shade bulging; automotive top coat components, instead of toxic metals, to achieve green environmental protection;
Glass, ceramic colouring agents, glaze, etc.;
High-performance bismuth silicate single crystal, bismuth-based high-temperature superconducting materials, high-quality optical glass, optical fibre, fireworks, new oxidative sensing materials, fuel cell electrolyte, rechargeable alkaline zinc-manganese batteries, flame retardant, clarifier, etc.;
Green environmental protection flame retardant, replacing toxic antimony-based flame retardant.
Additives for environmentally friendly batteries, which can improve the performance of batteries.
Company Profile
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Payment Term
L/C, T/T, Western Union, Paypal, Credit Card etc.
Shipment Term
By sea, by air, by express, as customers request.
Storage Conditions of Spherical bismuth oxide
1) Store in a dry environment at room temperature.
2) Avoid damp and high temperature.
3) Use immediately after opening the inner packing bag.
FAQ of Spherical bismuth oxide
Q1
What are the physical properties of bismuth oxide?
Pale yellow powder, odourless. Soluble in acid and insoluble in water, it turns brownish red when heated and pale yellow when cooled, with a melting point of 820℃.
Q2
Is bismuth oxide dangerous?
Bismuth oxide is generally a relatively safe chemical. However, bismuth oxide dust or solution can affect the human body if contacted or inhaled. Inhaling bismuth oxide dust may cause irritation and damage to the respiratory system.
Q3
Main uses of bismuth oxide.
Mainly used in the chemical industry (such as chemical reagents, bismuth salt manufacturing, etc.), glass industry (mainly used for colouring), electronic industry (electronic ceramics, etc.) and other industries (such as the manufacture of fireproof paper, nuclear reactor fuel, etc.).
Q4
Colour of bismuth oxide.
α-type is yellow monoclinic crystal system crystals, β-type is bright yellow to orange, orthorhombic crystal system.
Q5
Is bismuth oxide soluble in acid?
Bismuth oxide is soluble in hydrochloric and nitric acids and can be dissolved in acids to form bismuth salts.
