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Applications of the formation and behaviour of sulphotellurate in spot test analysis

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Summary

The decomposition of sulphotellurate leading to deposition of black elemental tellurium has been utilized for the following analytical tests: detection of elemental tellurium and Te-containing semi-conductors, detection of polysulphide in alkali sulphide, detection of As2S3 and As2O3, differentiation of Sb2O3 and Sb2O5, differentiation of tin(II) and tin(IV) hydroxides.

Zusammenfassung

Die Abscheidung von schwarzem, elementarem Tellur aus Sulfotellurat wird für folgende Aufgaben nutzbar gemacht: Nachweis von elementarem Tellur und tellurhaltigen Halbleitern, Nachweis von Polysulfid in Alkalisulfid, Nachweis von As2S3 und As2O3, Unterscheidung von Sb2O3 und Sb2O5 sowie Unterscheidung von Zinn(II)- und Zinn(IV)-hydroxid.

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References

  1. Bruckl, A., and W. Maxymovicz: Z. Anal. Chem. 68, 14 (1926).

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  2. Feigl, F.: Spot Test in Inorganic Analysis, 5th Edit. Amsterdam: Elsevier, 1958, p. 352

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  3. Feigl, F.: Spot Test in Inorganic Analysis, 5th Edit. Amsterdam: Elsevier, 1958, p. 378.

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  4. —, and L. Ben-Dor: Chemist-Analyst 55, 73 (1966).

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Authors and Affiliations

  1. Ministério das Minas e Energia, Laboratório da Produção Mineral, Rio de Janeiro, Brasil

    F. Feigl & L. Ben-Dor

  2. Department of Inorganic and Analytical Chemistry, Hebrew University, Jerusalem, Israel

    F. Feigl & L. Ben-Dor

Authors
  1. F. Feigl
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  2. L. Ben-Dor
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Feigl, F., Ben-Dor, L. Applications of the formation and behaviour of sulphotellurate in spot test analysis. Z. Anal. Chem. 233, 93–96 (1968). https://doi.org/10.1007/BF00529734

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  • DOI: https://doi.org/10.1007/BF00529734

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