Monatshefte für Chemie / Chemical Monthly

, Volume 119, Issue 4, pp 495–504 | Cite as

Gleichgewichte und Kinetik zur 1:1-Komplexbildung von Aluminium(III) mit Kojisäure in wäßriger Lösung

  • Rolf Nitzsche
  • Ralf Hildebrandt
  • Rolf Mitzner
  • Gerhard Röbisch
Organische Chemie Und Biochemie

Equilibria and kinetics of 1:1 complex formation of aluminium(III) with kojic acid in aqueous solution

Abstract

The reaction of aluminium(III) with kojic acid was investigated in the range ofpH=(1.6 ... 3.4) at excess of Aluminium(III). Only the complex AlL2+ was formed with β11=7.6. The results of equilibrium and kinetic measurements indicate that only the species Al3+, AlOH2+ and the neutral form of the ligand contribute to the reaction. Reaction values and rate constants are given. A general acid base catalysis was detected.

Keywords

Aluminium(III) General acid base catalysis Kojic acid Ligand substitution 

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Copyright information

© Springer-Verlag 1988

Authors and Affiliations

  • Rolf Nitzsche
    • 1
  • Ralf Hildebrandt
    • 1
  • Rolf Mitzner
    • 1
  • Gerhard Röbisch
    • 1
  1. 1.Sektion Chemie/BiologiePädagogische Hochschule „Karl Liebknecht“PotsdamDeutsche Demokratische Republik

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