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An indirect flame emission spectrometry method for the determination of traces of sulphur. I

Indirekte etnissionsspektroskopische Bestimmungsmethode für Spuren elementaren Schwefels. I.

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Summary

An accurate and simple indirect method of flame emission spectrometric determination of small quantities of elemental sulphur is described. The method is based on the reduction of elemental sulphur by means of sodium borohydride and oxidation of the resulting boron-sulphur compounds to sulphate by means of hydrogen peroxide. The determinations can be carried out in the presence of methanol, acetone, dimethylformamide, toluene and benzene. The detection limit of the reported method is 1 ppm of sulphur.

Zusammenfassung

Eine genaue und einfache, indirekte, emissionsspektroskopische Methode zur Bestimmung geringer Mengen elementaren Schwefels wurde ausgearbeitet. Sie besteht in der Reduktion des elementaren Schwefels mit Hilfe von Natriumborhydrid und in der Oxydation der entstehenden Bor-Schwefel-Verbindung zu Sulfat mit Hilfe von Wasserstoffperoxid. Die Analyse wurde in Methanol, Aceton, Dimethylformamid, Toluol und Benzol durchgeführt. Die Erfassungsgrenze beträgt 1 ppm Schwefel.

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Authors and Affiliations

  1. Institute of General Chemistry, Technical University, Poznań, Poland

    Wojciech Puacz

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  1. Wojciech Puacz
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Puacz, W. An indirect flame emission spectrometry method for the determination of traces of sulphur. I. Mikrochim Acta 77, 271–275 (1982). https://doi.org/10.1007/BF01237813

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  • DOI: https://doi.org/10.1007/BF01237813

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