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Separation and determination of some carboxylic acids by capillary electrophoresis

Abstract : Separation and determination of some organic acids, mono-carboxylic (formic and acetic), dicarboxylic (oxalic and tartaric), tricarboxylic (citric) acids and aromatic acids (phtalic, benzoic, mellitic and trimellitic), by capillary electrophoresis are reviewed. The method development parameters, such as separation and injection mode, are discussed. Special attention is paid to the comparison of different detection types (spectroscopic and electrochemical). The optimisation of the carrier electrolyte composition (choice of carrier electrolyte, effect of pH, ionic strength, electro-osmotic flow modifier) is treated. Different additives (alkali-earth and transition metal ions, cyclodextrins and alcohol), which are often used for improving organic acid separation, are also considered.
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Contributor : Suzanne Robert <>
Submitted on : Monday, December 4, 2006 - 11:08:37 AM
Last modification on : Wednesday, September 16, 2020 - 4:07:36 PM
Long-term archiving on: : Tuesday, April 6, 2010 - 8:21:34 PM


  • HAL Id : in2p3-00118078, version 1



V. Sladkov, B. Fourest. Separation and determination of some carboxylic acids by capillary electrophoresis. 2006. ⟨in2p3-00118078⟩



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