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本文建立了一个快速测定硅酸盐岩石、矿石和冶金样品中μｇ／ｇ和ｎｇ／ｇ量级贵金属的新方法。即用氢氟酸和王水分解样品，离子交换色谱预富集，用带偏振塞曼背景校正器的同时多元素石墨炉原子吸收光谱仪进行测定，以消除未完全分离的任何普通元素的干扰。首先通过三个加拿大标准参考物质中的Ｒｕ、Ｒｈ、Ｐｔ、Ｉｒ、Ｐｄ、Ａｇ和Ａｕ的测定对本方法进行了检验，然后对４个新的待批准的加拿大参考物质中的ｎｇ／ｇ量级的上述元素进行了测定。
This article establishes a new method for the rapid determination of μg / g and ng / g precious metals in silicate rock, ore and metallurgical samples. That is, hydrofluoric acid and aqua regia samples were decomposed and pre-enriched by ion exchange chromatography. At the same time, multi-element graphite furnace atomic absorption spectrometer with polarized Zeeman background corrector was used to eliminate the interference of any common elements that were not completely separated. The method was first tested by the determination of Ru, Rh, Pt, Ir, Pd, Ag and Au in three Canadian Reference Materials and then the ng / g order of magnitude of the four new Canadian Reference Materials to be approved The above elements were measured.