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Chinese Standard: GB/T 21198.6-2007

Determination of precious metals in precious metals jewellery alloys—Method using ICP spectrometry—Part 6:Difference method

全国首饰标准化技术委员会(SAC/TC 256)

GB/T 21198的本部分规定了通过测定金、铂、钯合金首饰中杂质元素含量来确定贵金属含量的方法。
本部分适用于GB 11887所确定的金、铂、钯首饰纯度范围,其中金含量为725‰~999‰,铂含量为800‰~999‰,钯含量为800‰~999‰。
注: 首饰中可能含有铂、金、钯、银、铜、镍、钴、铁、锌、镉、钌、铑和铱等元素。

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