SummaryElectrically neutral acetylacetonato complexes of chromium(lll), cobalt(lll), rhodium(lll), and platinum(l1) (or palladium(ll)) have been separated successfully by capillary zone electrophoresis in a micellar solution of sodium dodecyl sulfate (SDS). The distribution coefficient of each metal complex between the SDS micelle and the aqueous solution surrounding the micelle was calculated from the capacity factor. A linear log-log relationship was found between the distribution coefficient and the partition coefficient of the complex between dodecane and water. The linear relationship was effectively used for prediction of both the distribution coefficients and the migration times of other metal comp1exes;such as palladium(ll) acetylacetonate and chromium(lll) 3-methyl acetylacetonate.
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