The absorption spectrum and dissociation constants of 4-hydroxybenzthiazole |
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| Authors: | Quintus Fernando T Thirunamachandran |
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| Institution: | Department of Chemistry, University of Ceylon, Colombo Ceylon |
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| Abstract: | The absorption spectra of 4-hydroxybenzthiazole and the parent compound, benzthiazole, have been determined in acidic, basic and neutral solutions, and compared with the corresponding absorption spectra of 8-hydroxyquinoline and quinoline. The dissociation constants of 4-hydroxybenzthiazole obtained by a spectrophotometric method as well as a potentiometric method, show that it is a stronger acid and a weaker base than 8-hydroxyquinoline. |
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