BH GSO ISO 20565-3:2017
含鉻耐火制品和含鉻原材料的化學分析（替代X射線熒光法） 第3部分：火焰原子吸收光譜法（FAAS）和電感耦合等離子體原子發(fā)射光譜法（ICP）
Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) -- Part 3: Flame atomic absorption spectrometry (FAAS) and inductively coupled plasma atomic emission spectrometry (ICP