Advertisement

Journal of Radioanalytical Chemistry

, Volume 13, Issue 2, pp 381–390 | Cite as

Über das Auftreten von Selenantrisulfandisulfonaten im Verlauf der Reduktion von Selenit mit Thiosulfat

  • E. Blasius
  • A. Knöchel
Article

Abstract

Selenite reacts with S2O 3 2− forming SeS4O 6 2− and S4O 6 2− . When the stoichiometric ratio (1∶4) is changed, secondary reactions take place and precipitation, of selenium is observed. Excessive S2O 3 2− reacts with SeS4O 6 2− in neutral solutions forming SeSSO 3 2− , which decomposes to Se. In acidic solutions this reaction has a minor importance and causes a small Se-precipitation. The main product gives a build-up reaction, forming SeS5O 6 2− . Excessive SeO 3 2− also gives SeSSO 3 2− and SeS5O 6 2− . SeSSO 3 2− is decomposed by sulfite, forming SeSO 3 2− and S2O 3 2− . Thiosulfate reduces SeO 3 2− to SeS4O 6 2− . SeSO 3 2− gives, a build-up reaction with SeS5O 6 2− , forming Se2S5O 6 2− and Se3S5O 6 2− . Decomposition of Se3S5O 6 2− causes precipitation of a S/Se-mixture. SeSSO 3 2− , SeS5O 6 2− , Se2S5O 6 2− and Se3S5O 6 2− have been detected for the first time.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

Literatur

  1. 1.
    J. F. Norris, H. Fay,Am. Chem. J., 23, (1900) 119.Google Scholar
  2. 2.
    O. Foss,Acta Chem. Scand., 3 (1949) 435.CrossRefGoogle Scholar
  3. 3.
    C. H. Sorum, J. O. Edwards,J. Am. Chem. Soc., 74 (1952) 2318.CrossRefGoogle Scholar
  4. 4.
    E. Blasius, A. Knöchel,J. Radioanal. Chem., 13 (1973) 363.Google Scholar
  5. 5.
    E. Blasius, A. Knöchel,J. Radioanal. Chem., 13 (1973) 373.Google Scholar

Copyright information

© Akadémiai Kiadó 1973

Authors and Affiliations

  • E. Blasius
    • 1
  • A. Knöchel
    • 1
  1. 1.Institut für Analytische Chemie und Radiochemie der Universität des SaarlandesSaarbrückenBRD

Personalised recommendations