ISO/TC 174
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 57649 | ISO/DIS 11489 | Determination of platinum in platinum jewellery alloys — Gravimetric determination by reduction with mercury(I) chloride | Izstrādē |
| 92251 | ISO/DIS 11494 | Jewellery and precious metals — Determination of platinum — ICP-OES method using an internal standard element | Izstrādē |
| 19445 | ISO/DIS 11494.2 | Determination of platinum in platinum jewellery alloys — Method using inductively coupled plasma emission spectrometry on a solution with yttrium as internal standard | Izstrādē |
| 92252 | ISO/DIS 11495 | Jewellery and precious metals — Determination of palladium — ICP-OES method using an internal standard element | Izstrādē |
| 19446 | ISO/DIS 11495.2 | Determination of palladium in palladium jewellery alloys — Method using inductively coupled plasma emission spectrometry on a solution with yttrium as internal standard | 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 |
| 86717 | ISO/DIS 21261-3 | Jewellery and precious metals — Responsible precious metals — Part 3: Requirements for recycled gold | Izstrādē |
| 90144 | ISO/DIS 25212 | Jewellery and precious metals — Bracelet size — Definition, measurement and designation | Aptauja |
| 31331 | ISO/FDIS 11211-1 | Grading polished diamonds — Part 1: Terminology and classification | Izstrādē |
| 31332 | ISO/FDIS 11211-2 | Grading polished diamonds — Part 2: Test methods | Izstrādē |
Displaying 61-70 of 104 results.