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Microchimica Acta

, Volume 62, Issue 5, pp 849–852 | Cite as

Semimicro determination of selenium and tellurium by chloramine-T oxidation

  • D. K. Padma
  • R. A. Shaw
  • A. R. Vasudeva Murthy
  • M. Woods
Article
  • 26 Downloads

Summary

Finely divided selenium and tellurium undergo oxidation to selenic and orthotelluric acids by a concentrated solution of chloramine-T in acid medium. An analytical procedure (accurate to <1 %) has been developed based on this reaction.

Keywords

Oxidation Physical Chemistry Analytical Chemistry Inorganic Chemistry Selenium 
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.

Zusammenfassung

Fein verteiltes Selen und Tellur werden in saurem Medium von konzentrierter Chloramin-T-Lösung zu Selensäure bzw.o-Tellursäure oxydiert. Auf der Grundlage dieser Reaktion wurde eine Bestimmungsmethode ausgearbeitet, deren Genauigkeit unter 1% liegt.

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References

  1. 1.
    C. G. R. Nair and A. R. V. Murthy, Mh. Chem.94, 134 (1963).Google Scholar
  2. 2.
    D. K. Padma, R. A. Shaw, A. R. V. Murthy, and M. Woods, Int. J. Sulfur Chem.A, 1, 243 (1971).Google Scholar
  3. 3.
    F. Ephraim, A Text Book of Inorganic Chemistry, English Ed., London: Gurney & Jackson. 1926. p. 487.Google Scholar
  4. 4.
    T. S. Ma and W. G. Zoellner, Mikrochim. Acta [Wien]1971, 329.Google Scholar

Copyright information

© Springer-Verlag 1974

Authors and Affiliations

  • D. K. Padma
    • 1
  • R. A. Shaw
    • 2
  • A. R. Vasudeva Murthy
    • 1
  • M. Woods
    • 2
  1. 1.Department of Inorganic and Physical ChemistryIndian Institute of ScienceBangaloreIndia
  2. 2.Department of Chemistry, Birkbeck CollegeUniversity of LondonLondonUK

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