Abstract
Steroid sex hormones and related synthetic compounds, e.g. those used in contraceptive pills, have been shown to be present in the aquatic environment, mainly as a result of inefficient removal in waste-water-treatment plants (WWTP). The concentrations of the compounds, although very low (low ng L–1), are sufficient to induce estrogenic responses and alter the normal reproduction and development of wildlife organisms. The compounds have been determined, by a variety of analytical procedures, in the influents and effluents of WWTP, within research programs conducted in different countries to evaluate the efficiency of the waste-water-treatment processes currently in use. Determination of natural and synthetic estrogens and progestogens in waste water is, however, a difficult analytical task, because the very low detection limits required and the complexity of the waste-water matrix necessitate the execution of a considerable number of steps. Thus, in general, complicated, time-consuming extraction and purification processes, usually based on the application of solid–liquid extraction, are performed before final determination by immunoassay, high-performance liquid chromatography, or, most often, gas chromatography coupled with mass spectrometry. This paper reviews the analytical methods so far described for the analysis of these important environmental pollutants in waste water and discusses the key procedural steps, from sampling to analysis, and the techniques most commonly used in the determination.
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Alda, M.J., Barceló, D. Review of analytical methods for the determination of estrogens and progestogens in waste waters. Fresenius J Anal Chem 371, 437–447 (2001). https://doi.org/10.1007/s002160101027
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DOI: https://doi.org/10.1007/s002160101027