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Iridium Single Crystal77Ir192.2
Discovered in 1803 by S. Tennant at London, England.
[Latin: iris = rainbow] French: iridiumGerman: iridium
Italian: iridio
Spanish: iridio
Description: Iridium is a hard, lustrous, silvery metal of the so-called platinum group. It is unaffected by air, water, and acids, but dissolves in molten alkali. Iridium is used in special alloys and spark plugs.
Metal single crystal properties | ||
---|---|---|
State: | single crystal | |
Crystal structure: | fcc | |
Production method: | Floating zone | |
Standard size: | diameter 8-10mm thickness 1-2mm |
|
Orientation: | (100), (110) and (111) | |
Orientation accuracy: | <2°, <1°, <0.5° or <0.1° | |
Polishing: | as cut, one or two sides polished | |
Roughness of surface: | <0.03µm | |
Purity: | 99.99% | |
Typical analysis (ppm): | Ag 0.50 Al 8,00 Au < 0,10 C 12,00 Ca 2,00 Co 4,00 Cu 0.60 Cr 2,00 Fe 9,00 |
Ni 0,50 O 8,00 Pb 2,00 Pt 10,00 Rh 15,00 Si 5,00 Ti 7,00 W 10,00 Ir balance |