标准编号：ISO 5724:2023
中文名称：首饰和贵金属 极高纯度金的测定 用ICP-MS的差分法
英文名称：Jewellery and precious metals — Determination of very high purity gold — Difference method using ICP-MS
发布日期：2023-08
标准范围
This document specifies an analytical procedure for the determination of very high purity gold with a nominal content of and above 999,99 ‰ (parts per thousand, by mass), using an inductively coupled plasma mass spectrometer (ICP-MS).
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