Platinum jewellery alloys—Determination of platinum—Inductively coupled plasma(ICP)spectrometric method using yttrium as internal standard element
MOD ISO 11494:2014
全国首饰标准化技术委员会(SAC/TC 256)
本标准规定了以钇为内标采用电感耦合等离子体发射光谱（ICP-OES）测定铂合金首饰中铂含量的方法。
本标准适用于铂含量为500‰～990‰的铂合金首饰及其他铂合金制品。
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