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Semiquantitative determination of micro amounts of phenols using the ring colorimetry method

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Summary

The semiquantitative determination of micro amounts of pyrocatechol, resorcinol, hydroquinone, pyrogallol, phloroglucinol, andp-nitrophenol using the Weisz ring colorimetry method has been described. The results obtained deviated, on an average, from those calculated by about 4% and the amount of phenol required for one determination was about 4 μg.

Zusammenfassung

Die halbquantitative Bestimmung von Mikromengen Brenzcatechin, Resorcin, Hydrochinon, Pyrogallol, Phloroglucin und p-Nitrophenol mit Hilfe der vonWeisz angegebenen Ringkolorimetrie wurde beschrieben. Die Resultate weichen von den berechneten Werten durchschnittlich um etwa 4% ab, wobei für eine Bestimmung etwa 4 μg benötigt werden.

Résumé

On décrit le dosage semiquantitatif de microquantités de pyrocatéchol, résorcinol, hydroquinone, pyrogallol, phloroglucinol etp-nitrophénol, à l'aide de la méthode colorimétrique annulaire deWeisz. Les résultats obtenus se sont écartés, en moyenne, d'environ 4% d'avec ceux calculés et la quantité de phénol nécessaire pour un dosage s'élevait à 4 μg environ.

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References

  1. M. B. Ćelap, T. J. Janjić, andMirjana Ilić, Mikrochim. Acta [Wien]1962, 504.

  2. M. B. Ćelap, T. J. Janjić. andV. D. Jevtić, Mikrochim. Acta [Wien]1963, 1036.

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Ćelap, M.B., Janjić, T.J. & Nikolić, A.T. Semiquantitative determination of micro amounts of phenols using the ring colorimetry method. Mikrochim Acta 51, 1040–1042 (1963). https://doi.org/10.1007/BF01217637

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  • DOI: https://doi.org/10.1007/BF01217637

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