Methods for analysis of noble metals in geochemical samples—Part 6:Determination of platinum,palladium and gold content—Preconcentration by fire assay-emission spectrometry
全国国土资源标准化技术委员会
GB/T 17418的本部分规定了地球化学样品中铂、钯和金的测定方法。
本部分适用于含铂族元素的岩石中铂、钯和金的测定，也适用于水系沉积物等地球化学样品的测定。不适用于铬铁矿矿石中铂、钯和金的测定。测定范围，以质量分数表示：铂0.2 ng/g～100 ng/g，钯1 ng/g～100 ng/g，金0.1 ng/g～100 ng/g。
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