Highly polar metabolites of nitroaromatic compounds in ammunition wastewater.
In: Chemosphere (Chemosphere), Jg. 37 (1998) ; Nr. 6, S. 1079-1090
Zeitschriftenaufsatz / Fach: Chemie
Transformation processes of nitroarom. compds. (NAC) are described that lead to polar and highly hydrophilic metabolites in ammunition wastewater. For the identification of proposed metabolites, several anal. methods for the sepn. and detn. of these compds. were developed and applied to the investigation of a former ammunition plant and its surroundings. The compd. classes which were investigated include nitro and amino substituted toluenesulfonic acids, nitrobenzoic acids, aminobenzoic acids and nitromethylphenols. Method development was usually done with high performance liq. chromatog. and ion pairing or ion suppression techniques. In the leachate water of a disposal site of a former ammunition plant in Stadtallendorf, Germany, 15 compds. from the above-mentioned categories have been found to be present in concns. up to a few hundred mg/L. The presence of so many polar compds. suggest that current and future surveying programs should include representative analytes of the investigated categories.
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