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The effect of mercury (II) chloride on the determination of N2O profiles in marine sediments
Kieskamp, W.M.; Eijkman, K.; Helder, W. (1988). The effect of mercury (II) chloride on the determination of N2O profiles in marine sediments. Neth. J. Sea Res. 22(3): 199-203
In: Netherlands Journal of Sea Research. Netherlands Institute for Sea Research (NIOZ): Groningen; Den Burg. ISSN 0077-7579, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Kieskamp, W.M.
  • Eijkman, K.
  • Helder, W.

Abstract
    Differences were found in concentrations of N2O porewater profiles obtained from cores treated with and without mercury (II) chloride. These differences were considerable in the dark-coloured part of the sediment. It was demonstrated that the action of HgCl2 on insoluble FeS resulted in an increase in dissolved iron and that N2O was produced due to the chemical reduction of nitrite by Fe2+ at pH 8. ZnCl2 also caused a chemical reduction of nitrite, but - compared with HgCl2 - to a lesser extent.

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