ISO/TC 174
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 23659 | ISO/DIS 14138 | Determination of platinum in platinum jewellery alloys — ICP solution spectrometric method (using the intensity ratios of all minor constituents with reference to platinum) | Izstrādē |
| 57649 | ISO/DIS 11489 | Determination of platinum in platinum jewellery alloys — Gravimetric determination by reduction with mercury(I) chloride | Izstrādē |
| 86717 | ISO/DIS 21261-3 | Jewellery and precious metals — Responsible precious metals — Part 3: Requirements for recycled gold | Izstrādē |
| 71215 | ISO/NP 21598 | Jewelry — Diamond identification (Specification and test methods) | Izstrādē |
| 92254 | ISO/PWI 15096 | Jewellery and precious metals — Determination of high purity silver — Difference method using ICP-OES | Izstrādē |
| 24456 | ISO/CD 15096 | Jewellery — Determination of silver in silver jewellery alloys with a minimum fineness of 999/1000 by ICP-solution-spectrometric method | Izstrādē |
| 92253 | ISO/PWI 15093 | Jewellery and precious metals — Determination of high purity gold, platinum and palladium — Difference method using ICP-OES | Izstrādē |
| 74903 | ISO/CD 15093 | Jewellery — Determination of precious metals in 999 0/00 gold, platinum and palladium jewellery alloys — Difference method using ICP-OES | Izstrādē |
| 90124 | ISO/CD 25392-1 | Jewellery and precious metals — Test methods — Part 1: Resistance to damp heat | Izstrādē |
| 62238 | ISO/NP 18359 | Topaz — Specification and test methods | Izstrādē |
Displaying 41-50 of 104 results.