Iridium Single Crystal77Ir192.2

Discovered in 1803 by S. Tennant at London, England.

[Latin: iris = rainbow] French: iridium
German: 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