Abstract
Estuarine sediment slurries and microorganisms were examined for the ability to methylate inorganic tin. Under controlled redox conditions, tin was methylated only in oxygen-free sediment slurries. Monomethyltin usually comprised greater than 90% of the alkyltin products formed, although dimethyltin was also produced. Autoclaved anoxic sediments did not produce organotins. Several bacterial cultures, most notably sulfate-reducing bacteria isolated from anoxic estuarine sediments, formed monoand dimethyltin from inorganic tin in the absence of sediment. The results suggest that inorganic tin methylation in estuarine environments is an anaerobic process catalyzed primarily by sulfate-reducing microorganisms.
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Gilmour, C.C., Tuttle, J.H. & Means, J.C. Anaerobic microbial methylation of inorganic tin in estuarine sediment slurries. Microb Ecol 14, 233–242 (1987). https://doi.org/10.1007/BF02012943
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DOI: https://doi.org/10.1007/BF02012943