Abstract
The use of 2-(6-methyl-2-benzothiazolylazo)-5-diethylaminophenolas a precolumn derivatizing reagent in the reversed-phase high performance liquid Chromatographic separation and determination of Ru(III), Rh(III), Os(IV), Ir(IV), Pt(II), Co(II), Ni(II) and Cu(II) is reported. When the mobile phase consists of methanol-water (76/24% v/v) and 20 mmol/l (pH 5.0) acetate buffer, the eight complexes can be separated within 35 min on a C8 column. The detection limits are Ru 7.0, Rh 5.1, Os 1.5, Ir 7.6, Pt 3.7, Co 0.62, Ni 0.14 and Cu 1.2 ng/ml, respectively, at a signal-to-noise ratio of 3. RSDs were typically Ca. 1%.
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Liu, Q., Zhao, T., Liu, J. et al. Determination of platinum metals complexes with 2-(6-methyl-2-benzothiazolylazo)-5-diethylaminophenol by reversed-phase high performance liquid chromatography. Mikrochim Acta 122, 27–33 (1996). https://doi.org/10.1007/BF01252402
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DOI: https://doi.org/10.1007/BF01252402