ISO/TC 174
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 19443 | ISO/WD 11492 | Determination of platinium in platinum jewellery by flame atomic absorption spectrophotometry | Izstrādē |
| 19444 | ISO/WD 11493 | Determination of gold in white gold jewellery alloys — ICP — Solution spectrometric method | Izstrādē |
| 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 |
| 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 |
| 19531 | ISO/CD 11596 | Jewellery — Guidance on sampling precious metal alloys | Izstrādē |
| 21826 | ISO/WD 13371 | Jewellery — Determination of palladium in palladium jewellery alloys — Atomic absorption spectrophotometric method | Izstrādē |
| 22826 | ISO 13756:1997 | Determination of silver in silver jewellery alloys — Volumetric (potentiometric) method using sodium chloride or potassium chloride | Atcelts |
| 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 |
| 24452 | ISO/WD 11211-3 | Grading polished diamonds — Part 3: Colour of fancy coloured polished diamonds | Izstrādē |
| 24453 | ISO/WD 15092 | Test methods for the use of polished diamonds — Terminology and classification | Izstrādē |
Displaying 11-20 of 98 results.