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Platinum single crystal 78Pt195.09
Known to pre-Columbian South Americans and taken to Europe about 1750.
[Spanish: platina = silver]
French: platine
German: platin
Italian: platino
Spanish: platino
Description: Platinum is a lustrous, silvery-white, malleable and ductile metal. It is unaffected by air and water, and will only dissolve in aqua regia (HCl/HNO3) and molten alkalis. Platinum is used in jewellery, anti-cancer drugs, catalysts an catalytic convertors.
| Metal single crystal properties | ||
|---|---|---|
| State: | single crystal | |
| Crystal structure: | fcc | |
| Production method: | Czochralski | |
| Standard size: | diameter 10-12mm 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): | Au < 5 Ag < 3 Cu < 2 Fe < 3 Ir < 10 |
Os < 15 Pd < 2 Rh < 3 Ru < 2 Si < 10 Pt balance |