Methods for chemical analysis of lead concentrates—Determination of silver and gold content—Fire assay and flame atomic absorption spectrometric method using scorification or cupellation
IDT ISO 12740:1998
全国有色金属标准化技术委员会
本部分规定了火试金和火焰原子吸收光谱法测定硫化铅矿中的银量和金量的方法。
本部分适用于铅含量10%(质量分数)～80%(质量分数)的硫化铅矿中银量和金量的测定。
本部分测定范围：Ag:200 g/t～2000 g/t;Au:0.1 g/t～25 g/t 。
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