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Semimicro determination of selenium and tellurium by chloramine-T oxidation

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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.

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. C. G. R. Nair and A. R. V. Murthy, Mh. Chem.94, 134 (1963).

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  2. D. K. Padma, R. A. Shaw, A. R. V. Murthy, and M. Woods, Int. J. Sulfur Chem.A, 1, 243 (1971).

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  3. F. Ephraim, A Text Book of Inorganic Chemistry, English Ed., London: Gurney & Jackson. 1926. p. 487.

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  4. T. S. Ma and W. G. Zoellner, Mikrochim. Acta [Wien]1971, 329.

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Authors and Affiliations

  1. Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, India

    D. K. Padma & A. R. Vasudeva Murthy

  2. Department of Chemistry, Birkbeck College, University of London, London, UK

    R. A. Shaw & M. Woods

Authors
  1. D. K. Padma
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  2. R. A. Shaw
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  3. A. R. Vasudeva Murthy
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  4. M. Woods
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Padma, D.K., Shaw, R.A., Murthy, A.R.V. et al. Semimicro determination of selenium and tellurium by chloramine-T oxidation. Mikrochim Acta 62, 849–852 (1974). https://doi.org/10.1007/BF01218304

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  • DOI: https://doi.org/10.1007/BF01218304

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