This document specifies a range of fineness of precious metal alloys (excluding solders) recommended for use in the field of jewellery. NOTE There is a possibility that national legal requirements for the designation@ marking@ and stamping of finished articles exist in the respective countries.
EN ISO 9202:2019 history
2019EN ISO 9202:2019 Jewellery and precious metals - Fineness of precious metal alloys
2016EN ISO 9202:2016 Jewellery - Fineness of precious metal alloys