For the first time, organotin compounds were determined in surface sediment samples collected from São Francisco do Sul, Itajaí-Navegantes and Imbituba Harbors, located in Santa Catarina State, Brazil. Butyltins (BTs) were determined by gas chromatography with a pulsed flame photometric detector (GC-PFPD) after being modified using the Grignard derivatization method. The concentrations of BTs derivatives ranged from n.d. to 1136.6ng (Sn)g-1 of dry weight (dw) sediment for tributyltin (TBT), n.d. to 394.4ng (Sn)g-1 dw for dibutyltin (DBT) and n.d. to 312.2ng (Sn)g-1 dw for monobutyltin (MBT). The highest concentration of total BTs was found at the Itajaí-Açu River dockyard, indicating intense inputs of antifouling paints to the environment. The relative difference in the BTs levels is a particular characteristic of sediments from harbors and may be related to the shipyards and the boat traffic which still use TBT-based antifouling paints. © 2010 Elsevier B.V.
CITATION STYLE
de Oliveira, C. R., dos Santos, D. M., dos Santos Madureira, L. A., & de Marchi, M. R. R. (2010). Speciation of butyltin derivatives in surface sediments of three southern Brazilian harbors. Journal of Hazardous Materials, 181(1–3), 851–856. https://doi.org/10.1016/j.jhazmat.2010.05.091
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