DS DS/EN 31427/AC
DS DSEN 31427AC 2001-NOV-23 Determnaton of slver n slver jewellery alloys - Volumetrc potentometrc method usng potassum bromde
DS DSEN 31427AC 2001-NOV-23 Determnaton of slver n slver jewellery alloys - Volumetrc potentometrc method usng potassum bromde
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.