ISO/TC 174
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 57652 | ISO 11495:2014 | Jewellery — Determination of palladium in palladium jewellery alloys — ICP-OES method using yttrium as internal standard element | Atcelts |
| 18801 | ISO 10713:1992 | Jewellery — Gold alloy coatings | Atcelts |
| 57646 | ISO 11210:2014 | Jewellery — Determination of platinum in platinum jewellery alloys — Gravimetric method after precipitation of diammonium hexachloroplatinate | Atcelts |
| 43421 | ISO 15096:2008 | Jewellery — Determination of silver in 999 0/00 silver jewellery alloys — Difference method using inductively coupled plasma optical emission spectroscopy (ICP-OES) | Atcelts |
| 75282 | ISO 15093:2020 | Jewellery and precious metals — Determination of high purity gold, platinum and palladium — Difference method using ICP-OES | Atcelts |
| 67068 | ISO/NP 20110 | Jewellery — Coloured stones — Determination natural colored stones from synthetics, imitations, treated and assembled stones | Izstrādē |
| 67069 | ISO/NP 20111 | Jewellery — Diamonds — Determination natural diamonds from synthetic, imitation, treated and assembled diamonds | Izstrādē |
| 77587 | ISO/PWI 24016-2 | Jewellery and precious metals Grading Polished Diamonds | Izstrādē |
| 62235 | ISO/NP 18355 | Ruby — Specification and test methods | Izstrādē |
| 62238 | ISO/NP 18359 | Topaz — Specification and test methods | Izstrādē |
Displaying 41-50 of 98 results.