标准摘要
[中文适用范围]： 本文件规定了使用电感耦合等离子体质谱仪（ICP-MS）测定标称含量为 999.99 ‰（千分之几，按质量计算）及以上的超高纯度金的分析程序。 [外文原描述]： 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).
英文名称Jewellery and precious metals — Determination of very high purity gold — Difference method using ICP-MS