ISO/TC 174
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
90991 | ISO/AWI 25643 | Jewellery and precious metals — Determination of silver — Cupellation method (fire assay) | Izstrādē |
90992 | ISO/AWI 25644 | Jewellery and precious metals — Determination of gold — ICP-OES method using an internal standard element | Izstrādē |
62237 | ISO/NP 18358 | Spinel — Specification and test methods | Izstrādē |
57652 | ISO 11495:2014 | Jewellery — Determination of palladium in palladium jewellery alloys — ICP-OES method using yttrium as internal standard element | Atcelts |
75282 | ISO 15093:2020 | Jewellery and precious metals — Determination of high purity gold, platinum and palladium — Difference method using ICP-OES | Atcelts |
26426 | ISO 11426:1997 | Determination of gold in gold jewellery alloys — Cupellation method (fire assay) | Atcelts |
57654 | ISO 15093:2015 | Jewellery — Determination of precious metals in 999 0/00 gold, platinum and palladium jewellery alloys — Difference method using ICP-OES | Atcelts |
19367 | ISO 11427:1993 | Determination of silver in silver jewellery alloys — Volumetric (potentiometric) method using potassium bromide | Atcelts |
19199 | ISO 11210:1995 | Determination of platinum in platinum jewellery alloys — Gravimetric method after precipitation of diammonium hexachloroplatinate | Atcelts |
57650 | ISO 11490:2015 | Jewellery — Determination of palladium in palladium jewellery alloys — Gravimetric determination with dimethylglyoxime | Atcelts |
Displaying 51-60 of 98 results.