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Association Constants of the Complexes between 8-Hydroxyquinolines with Ammonia and Methylamine in 90% Methanol + Water Mixtures

D. P. GHOSH, B. GUHANlYOG, S. C. LAHIRI
1997 Zenodo  

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Department of Chemistry, TDB Collage, Asansol Department of Chemistry, Kalyani University, Kalyani-741 235 Manuscript received 28 March 1995, revised 29 September 1995, accepted 15 November 1995 8-Hydroxyquinoline (HQ), 5-chloro-7-iodlo-8-hydroxyquinollne (ICHQ) and 5,7-dilodo-8-hydroxyquinoline (I2HQ) form stable yellow complexes with NH3 and CH3H2 at room temperature but decompose above 323 K. The association constants of the complexes at 298 K calculated spectrophotometrically in 90%
more » ... solution have been found to be fairly high. The stability of the complexes with NH3 or CH3NH2 are usually In the order, ICHQ > I2HQ > HQ.
doi:10.5281/zenodo.5877525 fatcat:se4b7dqxvneapdoydeb56jeeoq
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D. P. GHOSH, B. GUHANlYOG, S. C. LAHIRI. "Association Constants of the Complexes between 8-Hydroxyquinolines with Ammonia and Methylamine in 90% Methanol + Water Mixtures." Zenodo (1997)