Registration number (WIID)Project No.TitleStatus
74954EN ISO 11427:2024Jewellery and precious metals - Determination of silver - Potentiometry using potassium bromide (ISO 11427:2024)Standarts spēkā
67096EN ISO 11426:2021Jewellery and precious metals - Determination of gold - Cupellation method (fire assay) (ISO 11426:2021)Standarts spēkā
75572EN ISO 11210:2023Jewellery and precious metals - Determination of platinum - Gravimetry using ammonium chloride (ISO 11210:2023)Izstrādē
14115EN 28653:1992Jewellery - Ring-sizes - Definition, measurement and designation (ISO 8653:1986)Atcelts
14124EN 1904:2000Precious metals - The finenesses of solders used with precious metal jewellery alloysIzstrādē
14139CEN/TR 14547:2005Sampling schemes for third party conformity assessment of fineness in precious metal articlesAtcelts
Displaying 21-26 of 26 results.