UNE EN ISO 11210:2016被替代
Jewellery - Determination Of Platinum In Platinum Jewellery Alloys - Gravimetric Method After Precipitation Of Diammonium Hexachloroplatinate (Iso 11210:2014) (Endorsed By Aenor In December Of 2016)
出版：Asociacion Espanola de Normalizacion
專家解讀視頻
