Abstract
An investigation has been made by spectrophotometric and chromatographic methods of the reaction between an oo′ ‐dihydroxyazo dye and tervalent chromium salts. The two complexes formed have been separated chromatographically and their spectra measured. Equilibrium constants for the interconversion of the two complexes have been determined, together with the heat, free energy, and entropy changes for this reaction.
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