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Ein neuer empfindlicher Nachweis von Chinonen

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Zusammenfassung

1,2-Chinone und 1,4-Benzochinone reagieren mit Diphenylbenzidin in 75%iger Schwefelsäure unter Blaufärbung, was einen Tüpfelnachweis kleiner Mengen Chinon gestattet.

Summary

1,2-quinones and 1,4-benzoquinone react with diphenylbenzidine in 75% sulfuric acid to yield a blue color. This provides the basis for a spot test for small amounts of the quinones.

Résumé

La quinone-1,2 et la benzoquinone-1,4 réagissent en solution d'acide sulfurique à 75% avec la diphénylbenzidine en donnant une coloration bleue, permettant une identification à la touche de petites quantités de ces substances.

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Literatur

  1. J. Tillmans undW. Sutthoff, Z. analyt. Chem.50, 473 (1911);I. M. Kolthoff undG. E. Neponen, J. Amer. Chem. Soc.55, 1443 (1933).

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  2. H. Wieland, Ber. dtseh. ehem. Ges.46, 3269 (1913);52, 886 (1919).

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  3. F. Feigl, Spot Tests in Organic Analysis, 5. Aufl. Amsterdam: Elsevier. 1956. S. 168, 169.

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Author information

Authors and Affiliations

  1. Laboratorium Dr. V. Anger, Wien XVIII, Germany

    V. Anger

Authors
  1. V. Anger
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Anger, V. Ein neuer empfindlicher Nachweis von Chinonen. Mikrochim Acta 47, 386–388 (1959). https://doi.org/10.1007/BF01216857

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  • DOI: https://doi.org/10.1007/BF01216857

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