Bismuth
Pure Bismuth Material
Bismuth is a chemical element with the symbol Bi and atomic number 83. Bismuth occurs as the native metal, and in ores such as bismuthinite and bismite. The major commercial source of bismuth is as a by-product of refining lead, copper, tin, silver , and gold ores.
Bismuth is a crystalline, brittle metal, with a reddish tinge. Soluble in nitric and hydrochloric acids and highly diamagnetic (mass susceptibility -1.35 X 106), expands by 3.3% on solidification.
Bismuth is marginally radioactive and is the most naturally diamagnetic element. It has one of the lowest values of thermal conductivity among metals. It has a high electrical resistivity. Like water, bismuth is less dense as a solid than as a liquid (it expands as it cools), a property unique to metal.
These properties make the metal an ideal substitute for lead in everything from pipes and bullets to fishing weights and sprinkler triggers. Bismuth could be used in different fields, according to its purity.
High-purity bismuth is used to synthesize pharmaceutical chemicals, superconductive ceramics, and oxide crystals for the production of bismuth ortho-germanate crystals.
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Physical Properties of Bismuth
Bismuth is a high-density, silvery, pink-tinged metal. Bismuth metal is brittle and so it is usually mixed with other metals to make it useful.
Chemical properties of Bismuth
| Atomic Symbol | Bi |
|---|---|
| Atomic Number | 83 |
| Atomic Weight | 208.98 |
| Density | 9.807 g/cm3 |
| Melting Point: | 271.3℃ |
| Boiling Point | 1560+/-5℃ |
| CAS No. | 7440-69-9 |
| EINECS No. | 231-177-4 |
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Bismuth Metal Supplier
AEM Deposition manufacturing Bismuth metal with ultra-high purity. Supply pure bismuth materials in different forms including bismuth shots, powders, ingots, granules, pellets needles, and more.
Advanced Engineering Materials Limited (AEM) is an international company involved in the R & D, manufacturing, and sales of many types of high-tech materials. We provide high-purity non-ferrous materials, customized alloys, compounds, and almost every kind of complicated synthetic materials to research institutes and high-tech enterprises worldwide.
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Applications of Bismuth
Metal and alloys
Bismuth is used in metal alloys with other metals such as iron, copper, aluminum, and steel.
Medicines
Bismuth is an ingredient in some pharmaceuticals. Several different bismuth-based products are used for peptic ulcers, upset stomach, diarrhea, ointments, suppositories, and veterinary purposes.
Compounds
Bismuth is used as a compound in many products, such as the coating industry, pigments, friction materials, catalysts in the plastic, lubricants, and cosmetics.
Bismuth oxides:
Used as oxides in glass, ceramics, varistors, arrestors, capacitors, ferrites, and coatings.