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Determination of methylmercury in natural waters by headspace gas chromatography with microwave-induced plasma detection after preconcentration on a resin containing dithiocarbamate groups
Lansens, P.; Meuleman, C.; Leermakers, M.; Baeyens, W.F.J. (1990). Determination of methylmercury in natural waters by headspace gas chromatography with microwave-induced plasma detection after preconcentration on a resin containing dithiocarbamate groups. Anal. Chim. Acta 234: 417-424
In: Analytica Chimica Acta. Elsevier: New York; Amsterdam. ISSN 0003-2670; e-ISSN 1873-4324, more
Peer reviewed article  
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Keyword
    Marine/Coastal
Authors  Top 
  • Lansens, P.
  • Meuleman, C.
  • Leermakers, M., more
  • Baeyens, W.F.J., more
Abstract
    A method for the determination of methylmercury at ng 1-1 levels in natural waters is described. Methylmercury present in a sample is first preconcentrated on a column of a resin containing dithiocarbamate groups and eluted quantitatively with acidic thiourea solution. Methylmercury in the effluent is then converted to the iodide by addition of sulphuric acid and iodoacetic acid and determined by headspace gas chromatography with microwave-induced plasma detection. The adsorption properties of the resin are discussed.
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