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Analysis of aminobenzoic acids in waste water from a former ammunition plant with HPLC and combined diode array and fluorescence detection

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Abstract

 Aminobenzoic acids are of major interest in clinical analysis, but their determination in environmental samples has been rarely done. Therefore a method for the determination of 10 aminobenzoic acids in water has been developed, using high-performance liquid chromatography with combined diode array and fluorescence detection. A separation of the analytes has been achieved with a buffer pH 3/methanol gradient. The general elution order has been m-substituted<p-subst.<o-subst. aminobenzoic acids. UV and fluorescence data are presented. In a highly polluted water sample of the former ammunition plant Stadtallendorf/Hessen, 4-aminobenzoic acid, 2-amino- benzoic acid and 2-amino-4-nitrobenzoic acid have been detected. After passing a charcoal filter, only the concentration of 4-aminobenzoic acid in a sample from the same site has been above the detection limit. Besides the ten analytes investigated, several unknown compounds have been present in the samples.

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Received: 15 January 1996/Accepted 20 February 1996

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Schmidt, T., Petersmann, M., Kaminski, L. et al. Analysis of aminobenzoic acids in waste water from a former ammunition plant with HPLC and combined diode array and fluorescence detection. Fresenius J Anal Chem 357, 121–126 (1997). https://doi.org/10.1007/s002160050124

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  • DOI: https://doi.org/10.1007/s002160050124

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