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Radiometric determination of stability constants of mercury species complexes with L-cysteine

  • J. Starý
  • K. Kratzer
Article

Abstract

Liquid-liquid distribution method has been applied for the determination of the composition and stability constants of mercury species with L-cysteine /H2L/. In the pH range 2–8, mercury /II/ forms a complex Hg/HL/2 with very high stability constant /lg β2 = 40.0/, whereas methylmercury and phenylmercury form complexes CH3HgHL /lg β1 = 15.56/ and C6H5HgHL /lg β1 = 16.5/. At pH≥13, anionic complexes HgL 2 2− /lg β2 = 42.7/, CH3HgL /lg β1 = 16.58/ and lg β1 = 17.7 are formed.

Keywords

Physical Chemistry Mercury Inorganic Chemistry Form Complex High Stability 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Akadémiai Kiadó 1988

Authors and Affiliations

  • J. Starý
    • 1
  • K. Kratzer
    • 1
  1. 1.Department of Nuclear ChemistryTechnical University of PraguePrague 1Czechoslovakia

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