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Spéciation du mercure dissous dans les eaux marines: dosage du mercure total, gazeux, réactif, mono et diméthylmercure
Cossa, D.; Averty, B.; Bretaudeau, J.; Sénard, A.S. (2003). Spéciation du mercure dissous dans les eaux marines: dosage du mercure total, gazeux, réactif, mono et diméthylmercure. Méthodes d'analyse en milieu marin. IFREMER: Plouzané. ISBN 2-84433-125-4. 27 pp.
Deel van: Méthodes d'analyse en milieu marin. Editions IFREMER: Plouzané. ISSN 1637-1844

Trefwoorden
    Analysis
    Chemical compounds > Organic compounds > Organometallic compounds > Methyl mercury
    Chemical elements > Metals > Heavy metals > Mercury
    Chemical speciation
    Water > Sea water
    Marien

Auteurs  Top 
  • Cossa, D.
  • Averty, B.
  • Bretaudeau, J.
  • Sénard, A.S.

Abstract
    Sampling and analytical techniques for mercury speciation in sea water are described. They allow the determination of elemental mercury (Hg0), dimethylmercury (DMHg), reactive mercury (HgR or "easily reducible mercury" which consists of mainly inorganic mercury species), monomethylmercury (MMHg) and total mercury (HgT) dissolved in sea water. These techniques make it possible to detect trace amounts ranging from 4 to 60 pg L-1, depending on the chemical species and sample volume being considered. The ranges of measurable concentrations are of several orders of magnitude, and reproducibility varies between 5 and 15 %, depending on the species and concentration levels.

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