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