Bismuth Bi 94% Metal Element 83 Granules 1g-10kg

Length tolerance +/-2mm

Description:

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Our bismuth granules have this chemical composition - Bi=94%, Si=2%. Bismuth is a reddish-white shiny, low-melting, and brittle heavy metal. It is a poor electrical conductor.

Bismuth, also known as wismut, is a very rare element. Wismut has the element symbol Bi and the atomic number 83. Recent research has shown that bismuth is radioactive. However, due to its very long half-life of about 19 trillion years, its specific activity is very low. The heavy, reddish shiny metal has low hardness and is very brittle. It is a poor heat and electricity conductor. The low electrical conductivity decreases further in a magnetic environment, which is unique among metals.

Additionally, bismuth does not shrink upon solidification. However, it expands by about 3.3%, a behavior it also transfers to its alloys.

Bismuth is mainly used as an alloy metal for low-melting alloys. These alloys are accordingly used for soft soldering and as fusible links in automatic fire alarms and sprinkler systems. In the chemical industry, bismuth is used as a catalyst.

Bismuth is unstable in moist air and oxidizes on the surface. It does not react under dry conditions. Wismut is not attacked by hydrochloric acid but reacts with concentrated sulfuric acid. It is most soluble in nitric acid, forming bismuth nitrate. Nitrogen monoxide is released in the process.

Properties of Bismuth:

• brittle metal
• rhombohedral crystal structure
• non-toxic
• strongly diamagnetic
• high electrical resistance

Main Applications of Bismuth:

• alloy component
• mechanical engineering
• energy production
• catalysts

Mechanical Properties (Room Temperature):

Physical Properties (Room Temperature):