This standard specifies a volumetric method for the determination of silver in silver jewellery alloys, preferably within the range of fineness stated in ISO 9202.
DS/EN 31427/AC:2002 history
2002DS/EN 31427/AC:2002 Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide
1994DS/EN 31427:1994 Determination of silver in silver jewellery alloys-Volumetric(potentiometric)method using potassium bromide