Platinum
Unqualified "Platinum" means 950 parts per thousand in the US.
| Property | Value | Authority |
|---|---|---|
| Fineness | 950 parts per 1,000 [1] | § 23.6(b)(3) |
| US legal requirement | The word "Platinum" without qualification may not describe an article that is not composed throughout of 950 parts per thousand pure platinum. [1] | § 23.6(b)(3) |
| Tarnishes | No [1] | § 23.6 |
Sources
- 16 CFR Part 23 — Guides for the Jewelry, Precious Metals, and Pewter Industries — U.S. Government Publishing Office (16 CFR Part 23)