NEN-EN-ISO 11489
Determination of platinum in platinum jewellery alloys - Gravimetric method after reduction with mecury(I) chloride
inactive, Most Current
| Organization: | NEN |
| Publication Date: | 1 June 1995 |
| Status: | inactive |
| Page Count: | 12 |
| ICS Code (Jewellery): | 39.060 |
scope:
This standard method describes a gravimetric method for determining platinum in platinum jewellery alloys, preferably within the range of fineness as stated in ISO 9202. This procedure applies specifically to platinum alloys incorporating palladium, iridium, rhodium, copper, cobalt, gold, ruthenium, gallium, chromium, indium, and less than 5% tungsten. Some modifications are indicated where palladium, iridium, gold or ruthenium are present.
Document History
NEN-EN-ISO 11489
June 1, 1995
Determination of platinum in platinum jewellery alloys - Gravimetric method after reduction with mecury(I) chloride
This standard method describes a gravimetric method for determining platinum in platinum jewellery alloys, preferably within the range of fineness as stated in ISO 9202. This procedure applies...