Comprehensive Method for the Determination of Aquatic Butyltin Species at Ultratrace Levels Using Simultaneous Hydridization/Extraction with GC-FPD

摘要

A method for the analysis of aquatic butyltin and mixed methylbutyltin species using simultaneous hydridization with sodium borohydride and extraction into dichloromethane is described. The detection limits are 7 ng Sn/L for tetrabutyltin, 7 ng Sn/L for tri-n-butyltin, 3 ng Sn/L for di-n-butyltin, and 16 ng Sn/L for mono-n-butyltin. The presence of tetrabutyltin in harbor waters is reported.