GB/T 8151.19-2012
锌精矿化学分析方法 第19部分:金和银含量的测定 铅析或灰吹火试金和火焰原子吸收光谱法
Methods for chemical analysis of zinc sulfide concentrates.Part 19:Determination of silver and gold contents.Fire assay and flame atomic absorption spectrometric method using scorification or cupellation