Bismuth, formerly bismuth (high purity)
Bismuth / bismuth
Bismuth crystals, unoxidized
Bismuth expands upon solidification. Because of this property, bismuth alloys are particularly suitable for producing sharp castings which can be damaged by high temperatures. Bismuth forms low-melting alloys with other metals such as tin, cadmium, etc., which are often used for safety devices in fire detection and extinguishing systems. Bismuth is also used in the production of malleable iron and is used as a catalyst for the production of acrylic fibers.
High purity (99,9999%) sputum target from bismuth (Bi)
When bismuth is heated in the air, it burns with a blue flame and forms yellow oxide vapors. The metal is also used as a thermocouple material and has been used as a carrier for 235 U or 233 U fuel in nuclear reactors application. Its soluble salts are characterized by the formation of insoluble basic salts with the addition of water, a property sometimes used in detection. Bismuth oxychloride is widely used in cosmetics. Elemental or metallic forms of bismuth include pellets, rods, wires, and granules for evaporation source material purposes. Bismuth oxide is available in the form of powders and dense pellets for applications such as optical coatings and thin-film applications. Oxides tend to be insoluble. Bismuth fluorides are another insoluble form for applications where oxygen is undesirable, such as metallurgy, chemical and physical vapor deposition, and in some optical coatings. Bismuth is also available in soluble forms including chlorides, nitrates and acetates. These compounds are prepared as solutions at certain stoichiometries.
