GB/T 25934.1-2010
高纯金化学分析方法.第1部分:乙酸乙脂萃取分离ICP-AES法.测定杂质元素的含量
Methods for chemical analysis of high purity gold.Part 1: Ethyl acetate extraction separation-inductively coupled plasma-atomic emission spectrometry.Determination of impurity elements contents