Indium Industry Annual Report 2020
2021-03-23 10:35:06 【Print】
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1 Definition, Type, Distribution, Application
1.1 Definition
Indium is a kind of metal element, element symbol In, belongs to the IIIa metal element, atomic number is 49, relative atomic mass is114.8, melting point is 156 . 61℃, boiling point is 2,060℃ . The relative density is 7.31g/cm3 . Indium is a silvery white metal with a light blue sheen . It is very soft and can be carved with fingernails . It is very malleable and ductile and can be pressed into sheets . Indium is not oxidized by air at room temperature . Indium is slightly radioactive and should be avoided from contact with the skin and ingestion.
1.1 Definition
Indium is a kind of metal element, element symbol In, belongs to the IIIa metal element, atomic number is 49, relative atomic mass is114.8, melting point is 156 . 61℃, boiling point is 2,060℃ . The relative density is 7.31g/cm3 . Indium is a silvery white metal with a light blue sheen . It is very soft and can be carved with fingernails . It is very malleable and ductile and can be pressed into sheets . Indium is not oxidized by air at room temperature . Indium is slightly radioactive and should be avoided from contact with the skin and ingestion.