This International standard specifies an analytical procedure for the determination of either platinum inplatinum jewellery alloys, gold in gold jewellery alloys or palladium in palladium jewellery alloys with a nominal content of each precious metal of 999 ‰ (parts per thousand) by measuring specific elements listed in Table A.1, Table A.2 and Table A.3.
DS/ISO 15093:2008 history
2008DS/ISO 15093:2008 Jewellery - Determination of precious metals in 999 0/00 gold, platinum and palladium jewellery alloys - Difference method using inductively coupled plasma optical emission spectroscopy (ICP-OES)