Volatilisation of methylmercuric chloride by hydrogen sulphide

Details Volatilisation of methylmercuric chloride by hydrogen sulphide Volatilisation of methylmercuric chloride by hydrogen sulphide

Feb 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977natur.265..718r&link_type=abstract

Nature, Volume 265, Issue 5596, pp. 718-719 (1977).

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Scientific paper

THE interconversion of mercury compounds in the environment has attracted considerable interest, especially the synthesis and breakdown of the highly toxic methyl-mercury. The alkylmercurial can be formed and degraded by microorganisms in lakes, rivers, soil and the mammalian intestinal tract1-6, although the ecological significance of these processes is difficult to assess. We describe here a further reaction which may be important with respect to the fate of mercury in the biosphere-the interaction of methylmercuric chloride (CH3HgCl) with hydrogen sulphide. Hydrogen sulphide is produced by many bacteria in anaerobic conditions such as are found in the sediments of lakes and rivers, and it has been shown that trimethyllead salts can be converted to the volatile tetramethyllead by reaction with H2S (ref. 7).

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