Determination of precious metals in precious metals jewellery alloys—Method using ICP spectrometry—Part 3: Palladium jewellery alloys—Determination of palladium—Method using a solution with yttrium as internal standard element
GB/T 21198的本部分规定了以钇为内标采用ICP光谱法测定钯合金首饰中钯含量的方法。本部分适用于钯含量为475‰~970‰的钯合金首饰。