February 18, 2015
The British Standards Institution (BSI) has published two sets of standards for the determination of jewelry alloys.
BS ISO 11494:2014-Jewellery. Determination of platinum in platinum jewelry alloys specific to the ICP-OES method using yttrium as internal standard element.
BS ISO 11495:2014-Jewellery. Determination of palladium in palladium jewelry alloys specific to the ICP-OES method using yttrium as internal standard element.
Both standards were published November 2014 and address the following:
- Platinum alloys
- Chemical analysis and testing
- Determination of content
- Emission spectrophotometry