ISO/TC 174
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
62226 | ISO/NP 18345 | Beryl — Specification and test methods | 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 |
85814 | ISO/FDIS 19376-1 | Jewellery and precious metals — Vocabulary — Part 1: Precious metals and units | Izstrādē |
31332 | ISO/FDIS 11211-2 | Grading polished diamonds — Part 2: Test methods | Izstrādē |
31331 | ISO/FDIS 11211-1 | Grading polished diamonds — Part 1: Terminology and classification | Izstrādē |
90827 | ISO/DIS 9202 | Jewellery and precious metals — Fineness of precious metal alloys | Aptauja slēgta |
86717 | ISO/DIS 21261-3 | Jewellery and precious metals — Responsible precious metals — Part 3: Requirements for recycled gold | Izstrādē |
86014 | ISO/DIS 19919 | Jewellery and precious metals — Determination of silver — ICP-OES method using an internal standard element | Aptauja slēgta |
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 |
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 |
Displaying 31-40 of 98 results.