NEN-ISO 11427
Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide
inactive, Most Current
| Organization: | NEN |
| Publication Date: | 1 July 1994 |
| Status: | inactive |
| Page Count: | 14 |
| ICS Code (Jewellery): | 39.060 |
scope:
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. These alloys may contain copper, zinc, cadmium and palladium. Apart from palladium, which must be precipitated before commencing titration, these elements do not interfere with this method of determination. This method is intended to be used as the referee method for the determination of fineness in the alloys covered by ISO 9202.
Document History
NEN-ISO 11427
July 1, 1994
Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide
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. These alloys may contain copper,...