Occurrence of organotins in municipal wastewater and sewage sludge and behavior in a treatment plant

The fate of mono-, di- and tri-butyltin (MBT, DBT, TBT, respectively), was investigated at a Zurich sewage works employing activated sludge. Flow proportional composite samples were taken of the liquid phases and snap samples of the sludges. Organotin compounds were extracted, cleaned-up, derivatize...

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