GB/T 8151.21-2017
ActiveMethods for chemical analysis of zinc concentrates—Part 21:Determination of thallium content—Inductively coupled plasma mass spectrometry and inductively coupled plasma-atomic emission spectrometry
锌精矿化学分析方法 第21部分:铊量的测定 电感耦合等离子体质谱法和电感耦合等离子体-原子发射光谱法