DS DS/EN ISO 11489
DS DSEN SO 11489 1995-JUL-27 Determnaton of platnum n platnum jewellery alloys - Gravmetrc method after reducton wth mercury chlorde
DS DSEN SO 11489 1995-JUL-27 Determnaton of platnum n platnum jewellery alloys - Gravmetrc method after reducton wth mercury chlorde
This standard specifies a gravimetric method for the determination of platinum in platinum jewellery alloys, preferably within the range of fineness stated in ISO 9202.