Summary
A method for the determination of 22 low relative molecular mass oxocarboxylic acids and carbonyl compounds in estuarine and marine samples is described.
After derivatization of 5 ml samples with 2,4-dinitrophenylhydrazine separation is performed on a RP-18 column by gradient elution and with UV-detection.
The detection limit ranges from 17 ngl−1 (glycolaldehyde) to 500 ngl−1 (cyclohexanone). The method was established for routine analysis of samples taken in an estuarine ecosystem but can be used for other aqueous systems as well.
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Edelkraut, F., Brockmann, U. Simulataneous determination of carboxylic acids and carbonyl compounds in estuaries by HPLC. Chromatographia 30, 432–435 (1990). https://doi.org/10.1007/BF02328512
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DOI: https://doi.org/10.1007/BF02328512