Abstract
Within the last few years capillary zone electrophoresis (CZE) has been recognized as an attractive technique for the separation and quantification of low-molecular-mass organic acids, thereby complementing established chromatographic methods. Different modes of CZE such as co- and counterelectroosmotic electrophoresis as well as different detection methods like direct and indirect UV detection or conductivity detection are reviewed for these solutes. Systematic optimization of carrier electrolytes containing complexing reagents such as alkaline earth metals or cyclodextrines is discussed with respect to the separation selectivity. Applications to various classes of organic acids in real samples of complex composition are demonstrated.
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