Chemical Species in Seawater and Marine Particulates

  • M. O. Andreae
Part of the Dahlem Workshop Reports book series (DAHLEM, volume 33)

Abstract

In recent years analytical techniques have become available which make it possible to identify individual chemical species in seawater and marine particulates, or at least to obtain operational information on the structural environment of some elements. These methods include various extraction and chromatographic techniques, mass spectrometry, hydride generation, and electrochemical techniques.

The major processes affecting chemical species in seawater are solid/aqueous phase exchange, electron exchange (redox chemistry), proton exchange (acid-base chemistry), and ligand exchange (complex chemistry). For a few elements, mostly the nonmetallic and metalloid elements, the formation of covalent bonds is of importance in controlling species distribution in the marine environment. Kinetic factors are important in the persistence of nonequilibrium species found for a number of elements.

Keywords

Mercury Chromium Cobalt Cadmium Manganese 

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Copyright information

© Dr. S. Bernhard, Dahlem Konferenzen 1986

Authors and Affiliations

  • M. O. Andreae
    • 1
  1. 1.Dept. of OceanographyFlorida State UniversityTallahasseeUSA

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