Abstract
A sensitive and selective procedure for the determination of tributyltin chloride (TBT), dibutyltin dichloride (DBT) and monobutyltin trichloride (MBT) based on solid phase extraction (SPE) with ENVI-Carb non-porous carbon as column material followed by adsorptive cathodic stripping voltammetry (AdSV) in the presence of tropolone is reported. The determination limits achieved using a 500 mL water sample were 210 ng L -1 (as Sn) for TBT, 30 ng L -1 (as Sn) for DBT and 40 ng L -1 (as Sn) for MBT. The method was used to determine the levels of butyltin species in surface water from the yacht harbour at Zewen on the Mosel River and in the tap water supply in Trier.
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