ISO/TC 174
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 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 |
| 19444 | ISO/WD 11493 | Determination of gold in white gold jewellery alloys — ICP — Solution spectrometric method | Izstrādē |
| 19443 | ISO/WD 11492 | Determination of platinium in platinum jewellery by flame atomic absorption spectrophotometry | Izstrādē |
| 19441 | ISO 11490:1995 | Determination of palladium in palladium jewellery alloys — Gravimetric determination with dimethylglyoxime | Atcelts |
| 19440 | ISO 11489:1995 | Determination of platinum in platinum jewellery alloys — Gravimetric determination by reduction with mercury(I) chloride | Atcelts |
| 19367 | ISO 11427:1993 | Determination of silver in silver jewellery alloys — Volumetric (potentiometric) method using potassium bromide | Atcelts |
| 19366 | ISO 11426:1993 | Determination of gold in gold jewellery alloys — Cupellation method (fire assay) | Atcelts |
| 19200 | ISO/TR 11211:1995 | Grading polished diamonds — Terminology and classification | Atcelts |
| 19199 | ISO 11210:1995 | Determination of platinum in platinum jewellery alloys — Gravimetric method after precipitation of diammonium hexachloroplatinate | Atcelts |
Displaying 91-100 of 104 results.