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Occurrence and environmental levels of triclosan and triclocarban in selected wastewater treatment plants in Gauteng Province, South Africa

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To date, over 100 nitrones have been assessed as STs 4,5 and the NIH spin-trapping database contains more than 10,000 entries from experiments performed with approximately 20 STs ( Analysis of EPR spectra and the stability of analogous series of spin-adducts indicates that cyclic STs with an H and a tertiary C atom (Fig