Abstract
A new reagent, 2-(6-methyl-2-benzothiazolylazo)-5-diethylaminophenol (MBTAE), which was synthesized for the first time by us, was used as a precolumn derivatizing reagent in the determination of platinum metals and some transition metals by reversed-phase HPLC. The effects of the composition and general properties of the mobile phase, column temperature and foreign ions on the retention behavior of the metal-MBTAE complexes are discussed in detail. The platinum metals and some transition metals can be separated on a Spherisorb C 8 column at a detection wavelength of 575 nm using a 73/27(v/v) methanol/water containing 20 mmol/l pH 6.0 acetate buffer and 12 mmol/l malic acid as the mobile phase
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