ISO/TC 174
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 62232 | ISO/NP 18351 | Opal — Specification and test methods | Izstrādē |
| 24453 | ISO/WD 15092 | Test methods for the use of polished diamonds — Terminology and classification | Izstrādē |
| 24454 | ISO/WD 15095 | Jewellery — Determination of palladium in palladium jewellery alloys with a minimum fineness of 999/1000 by ICP-solution-spectrometric method | Izstrādē |
| 62239 | ISO/NP 18360 | Tourmaline — Specification and test methods | Izstrādē |
| 62238 | ISO/NP 18359 | Topaz — Specification and test methods | Izstrādē |
| 86716 | ISO/WD 21261-2 | Jewellery and precious metals — Responsible precious metals — Part 2: Minimum rules and procedures for conformity assessment schemes | Izstrādē |
| 62235 | ISO/NP 18355 | Ruby — Specification and test methods | Izstrādē |
| 77587 | ISO/PWI 24016-2 | Jewellery and precious metals Grading Polished Diamonds | Izstrādē |
| 92254 | ISO/PWI 15096 | Jewellery and precious metals — Determination of high purity silver — Difference method using ICP-OES | Izstrādē |
| 92253 | ISO/PWI 15093 | Jewellery and precious metals — Determination of high purity gold, platinum and palladium — Difference method using ICP-OES | Izstrādē |
Displaying 81-90 of 104 results.