ISO/TC 174
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 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 |
| 74901 | ISO/CD 11495 | Jewellery — Determination of palladium in palladium jewellery alloys — ICP-OES method using yttrium as internal standard element | Izstrādē |
| 24452 | ISO/WD 11211-3 | Grading polished diamonds — Part 3: Colour of fancy coloured polished diamonds | Izstrādē |
| 24457 | ISO/WD 15097 | Jewellery — Determination of gold in gold jewellery alloys with a minimum fineness of 999/1000 by ICP-solution-spectrometric method | Izstrādē |
| 77588 | ISO/AWI 24016-2 | Jewellery and precious metals — Grading Polished Diamonds — Part 2: Part 2: Test methods | Izstrādē |
| 62236 | ISO/NP 18357 | Sapphire — Specification and test methods | Izstrādē |
| 62233 | ISO/NP 18353 | Pearl — Specification and test methods | Izstrādē |
| 71215 | ISO/NP 21598 | Jewelry — Diamond identification (Specification and test methods) | Izstrādē |
| 67069 | ISO/NP 20111 | Jewellery — Diamonds — Determination natural diamonds from synthetic, imitation, treated and assembled diamonds | Izstrādē |
Displaying 21-30 of 104 results.