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采用胶束增溶-偏最小二乘回归光度法在 BRB-SnCl_2-AG-OP 离子缔合物体系中,对锇、钌同时测定进行了研究.结果表明,该方法的灵敏度高,其表观摩尔吸光系数分别为1.32×10~6, 2.30×10~6;相对标准偏差(RSD)分别为3.54%及2.87%;模拟样品分析的相对误差均小于10%;该方法可不经蒸馏分离同时测定锇、钌。
The simultaneous determination of osmium and ruthenium in BRB-SnCl_2-AG-OP ion complex system was studied by micellar solubilization-partial least squares regression spectrophotometry. The results showed that this method has high sensitivity and the apparent friction The relative standard deviations (RSDs) were 3.54% and 2.87%, respectively. The relative errors of the simulated samples were all less than 10%. The method could be used for simultaneous determination without distillation Osmium, ruthenium.