ISO/TC 174
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 62227 | ISO/NP 18346 | Chalcedony — Specification and test methods | Izstrādē |
| 62226 | ISO/NP 18345 | Beryl — Specification and test methods | Izstrādē |
| 62231 | ISO/NP 18350 | Garnet — Specification and test methods | Izstrādē |
| 77585 | ISO/AWI 24016-1 | Jewellery and precious metals — Grading Polished Diamonds — Part 1: Part 1: Terminology and classification | Izstrādē |
| 62228 | ISO/NP 18347 | Chrysoberyl — Specification and test methods | Izstrādē |
| 24455 | ISO/CD 15093 | Jewellery — Determination of platinum in platinum jewellery alloys with minimum fineness of 999/1000 by ICP-solution-spectrometric method | Izstrādē |
| 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 |
| 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 |
| 62233 | ISO/NP 18353 | Pearl — Specification and test methods | Izstrādē |
Displaying 61-70 of 104 results.