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《Chinese Journal of Analytical Chemistry》 1999-01
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Determination of Trace Ruthenium, Rhodium, Palladium and Gold in Geological Samples by Solvent Flotation-Partial Least Squares Regression-Spectrophotometry

Wang Shulan , Chen Shugui, Wang Duoxi, Wang Yinghua, Wang Hongyan ( Department of Chemistry, Changchun University of Science and Technology, Changchun 130026)  
The optimum conditions of solvent flotation of trace noble metals (M: Ru, Rh, Pd and Au) and the color system of M-SnCl2-rhodamine B were studied. The partial least squares-spectrophotometry was used to resolve the overlapping absorption spectra of the associated complexes were determined. The result showed that the system had higher sensitivity and stability. Ru, Rh, Pd and Au in geological samples were determined simultaneously. The relative error was less than 11. 1 %, and standard deviations were 0.0062 to 0.019.
【Fund】: 国家自然科学基金资助项目
【CateGory Index】: O657.3
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