indium
铟,铟类,铟的,铟的作用
Definitions
- 1
Chemistry.
- : a rare metallic element, soft, white, malleable, and easily fusible, found combined in various ore minerals, especially sphalerite: so called from the two indigo-blue lines in its spectrum. Symbol: In; atomic weight: 114.82; atomic number: 49; specific gravity: 7.3 at 20°C.
Examples
Turns out they contain elements — cobalt and indium, to name just two — that are becoming increasingly scarce.
With today’s trends of natural resource use, natural sources of indium will be depleted in about 10 years, platinum in 15 years and silver in 20 years.
In properties gallium is more or less intermediate between the metals aluminium and indium.
Antimony follows closely in the track of gallium and indium, the upper ring of spheres being identical.
Indium oxide, In2O3, is a yellow powder which is formed on ignition of the hydroxide.
The mono- and dichlorides are decomposed by water with the formation of the trichloride, and separation of metallic indium.
Lecoq de Boisbaudran and E. Jungfleisch, on the extraction of gallium from the ores in which it is found associated with indium.