ISO/TC 174
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 62238 | ISO/NP 18359 | Topaz — Specification and test methods | Izstrādē |
| 62240 | ISO/NP 18361 | Turquoise — Specification and test methods | Izstrādē |
| 26424 | ISO/WD 15094 | Jewellery - Determination of silver in silver jewellery alloys - ICP-solution-spectrometric method using yttrium as internal standart element | Izstrādē |
| 37049 | ISO/NP 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 |
| 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 |
| 86716 | ISO/WD 21261-2 | Jewellery and precious metals — Responsible precious metals — Part 2: Minimum rules and procedures for conformity assessment schemes | Izstrādē |
| 92254 | ISO/PWI 15096 | Jewellery and precious metals — Determination of high purity silver — Difference method using ICP-OES | Izstrādē |
Displaying 51-60 of 104 results.