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Oceanology

, Volume 52, Issue 2, pp 181–190 | Cite as

Determination of the reduced sulfur species in the anoxic zone of the Black Sea: A comparison of the spectrophotometry and iodometry techniques

  • A. V. DubininEmail author
  • T. P. Demidova
  • V. V. Kremenetskii
  • N. M. Kokryatskaya
  • M. N. Rimskaya-Korsakova
  • E. V. Yakushev
Marine Chemistry

Abstract

The report presents the results of the studies of the reduced sulfur species in the water of the anoxic zone of the Black Sea. The content of hydrogen sulfide was determined by means of spectrophotometry using dilution with oxygen-free distilled water. The detection limit of the H2S amounted to 0.3 μM with the method’s precision below 3%. The accuracy of the spectrophotometric determination was verified by iodometry after the fixation of the hydrogen sulfide in zinc acetate under the distillation with argon from the acidified seawater sample.

Keywords

Thiosulfate Hydrogen Sulfide Sodium Sulfide Anoxic Zone Reduce Sulfur Species 
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

© Pleiades Publishing, Ltd. 2012

Authors and Affiliations

  • A. V. Dubinin
    • 1
    Email author
  • T. P. Demidova
    • 1
  • V. V. Kremenetskii
    • 1
  • N. M. Kokryatskaya
    • 2
  • M. N. Rimskaya-Korsakova
    • 1
  • E. V. Yakushev
    • 3
    • 4
  1. 1.Shirshov Institute of OceanologyRussian Academy of SciencesMoscowRussia
  2. 2.Institute of Environmental Problems of the NorthArkhangelskRussia
  3. 3.The Southern Branch of the Shirshov Institute of OceanologyRussian Academy of SciencesGelendzhikRussia
  4. 4.Norwegian Institute for Water ResearchOsloNorway

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