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Photometric determination of ruthenium with 3-nitroso-2,6-pyridinediol

Microchimica Acta volume 58, pages 612–615 (1970)Cite this article

Summary

A highly sensitive photometric method has been developed for the determination of ruthenium. The method is based on the purple colored complex formed when ruthenium is heated with 3-nitroso-2,6-pyridinediol (NPD) in slightly acidic solution. The molar absorptivity of the purple complex is 2.6 · 104l.mole−1,cm−1. The reaction ratio is 3∶1 reagent to ruthenium.

Zusammenfassung

Eine sehr empfindliche photometrische Methode zur Rutheniumbestimmung wurde ausgearbeitet. In schwach saurem Medium bildet Ruthenium beim Erhitzen mit 3-Nitroso-2,6-pyridindiol (NPD) einen purpurroten Komplex. Dessen molare Absorption beträgt 2,6 · 104 l/Mol.cm. Reagens und Ruthenium reagieren im Verhältnis 3∶1.

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Authors and Affiliations

  1. Departments of Chemistry, Southern University, 70813, Baton Rouge, La, USA

    Curtis W. McDonald & John H. Bedenbaugh

  2. University of Southern Mississippi, 39401, Hattiesburg, Miss., USA

    Curtis W. McDonald & John H. Bedenbaugh

Authors
  1. Curtis W. McDonald
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  2. John H. Bedenbaugh
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McDonald, C.W., Bedenbaugh, J.H. Photometric determination of ruthenium with 3-nitroso-2,6-pyridinediol. Microchim Acta 58, 612–615 (1970). https://doi.org/10.1007/BF01224170

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  • DOI: https://doi.org/10.1007/BF01224170

Keywords

  • Ruthenium
  • Molar Absorptivity
  • Reaction Ratio
  • Tautomeric Form
  • Spectral Curf