NF A06-205*NF EN ISO 11210:2017 Jewellery - Determination of platinum in platinum jewellery alloys - Gravimetric method after precipitation of diammonium hexachloroplatinate
2017NF A06-205*NF EN ISO 11210:2017 Jewellery - Determination of platinum in platinum jewellery alloys - Gravimetric method after precipitation of diammonium hexachloroplatinate