JOURNAL ARTICLE

Environmental behavior of organotin compounds in the coastal environment of Xiamen, China

Xinhong Wang, Huasheng Hong, Dongmei Zhao, Liyu Hong
Marine Pollution Bulletin 2008, 57 (6): 419-24
18513756
In 2006, organotins pollution were investigated in the coastal environment of Xiamen, China. Six species of organotin compounds including tributyltin, triphenyltin and their degradation compounds were quantified in the dissolved and particulate phases of the water, and in the sediment using GC-FPD. The concentrations of organotin compounds ranged from 2.2 to 160 ng (Sn) L(-1) dissolved in the water, 0.14-6.7 ng (Sn) L(-1) in suspended particulate matter and nd approximately 26 ng (Sn) g(-1) (dry weight) in the sediment. The highest concentration of total organotin or tributyltin in water was found in a shipyard and at a station near the inlet of the harbor, indicating fresh inputs of antifouling paints to Xiamen's coastal environment. Organotin speciation was performed on sediment cores to investigate contamination trends over the past ten years in the harbor. The results of (210)Pb dating indicated that Xiamen western harbor suffered contamination during 2000. The environmental behavior of organotins such as the enhancement of the microlayer, partitioning between water/suspended particulate matter and between water/sediment are also discussed in this paper.

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