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Über das Auftreten Höherer Selenandisulfonate im Verlauf der Reduktion von Selenit mit Sulfit bzw. Selenotrithionat

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Abstract

Sulfite and SeS2O 2−6 reduce SeO 2−3 in acidic solutions to selenium. Selenandisulfonates are observed as intermediate products. They are separated by high voltage paper ionophoresis in acidic basis electrolytes and identified on the paper by application of35S- and75Se-labelled compounds. The formation of selenandisulfonates depends on thepH of the solution. In neutral systems species exist with up to 4 Seatoms in the chain, in acidic solutions species with up to 7 Se-atoms in the chain are found. Se7S2O 2−6 has been detected for the first time. Selenium precipitates by the decomposition of the selenandisulfonates with the longest chains.

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Authors and Affiliations

  1. Institut für Analytische Chemie und Radiochemie der Universität des Saarlandes, Saarbrücken, BRD

    E. Blasius & A. Knöchel

Authors
  1. E. Blasius
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  2. A. Knöchel
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Blasius, E., Knöchel, A. Über das Auftreten Höherer Selenandisulfonate im Verlauf der Reduktion von Selenit mit Sulfit bzw. Selenotrithionat. J. Radioanal. Chem. 13, 363–371 (1973). https://doi.org/10.1007/BF02513927

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  • DOI: https://doi.org/10.1007/BF02513927

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