ISO/TC 174
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
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 |
57649 | ISO/DIS 11489 | Determination of platinum in platinum jewellery alloys — Gravimetric determination by reduction with mercury(I) chloride | Izstrādē |
86715 | ISO/CD 21261-1 | Jewellery and precious metals — Responsible precious metals — Part 1: General requirements for responsible precious metals | Izstrādē |
74902 | ISO/CD 15096 | Jewellery — Determination of silver in 999 0/00 silver jewellery alloys — Difference method using ICP-OES | Izstrādē |
24456 | ISO/CD 15096 | Jewellery — Determination of silver in silver jewellery alloys with a minimum fineness of 999/1000 by ICP-solution-spectrometric method | 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 |
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 |
19531 | ISO/CD 11596 | Jewellery — Guidance on sampling precious metal alloys | Izstrādē |
74901 | ISO/CD 11495 | Jewellery — Determination of palladium in palladium jewellery alloys — ICP-OES method using yttrium as internal standard element | Izstrādē |
74900 | ISO/CD 11494 | Jewellery — Determination of platinum in platinum jewellery alloys — ICP-OES method using yttrium as internal standard element | Izstrādē |
Displaying 41-50 of 98 results.