Gravimetric method within the range of fineness of jewellery stated in ISO 9202.
BS EN ISO 11210:1995 history
2023BS EN ISO 11210:2023 Jewellery and precious metals. Determination of platinum. Gravimetry using ammonium chloride
2016BS EN ISO 11210:2016 Jewellery. Determination of platinum in platinum jewellery alloys. Gravimetric method after precipitation of diammonium hexachloroplatinate
1995BS EN ISO 11210:1995 Determination of platinum in platinum jewellery alloys - Gravimetric method after precipitation of diammonium hexachloroplatinate