期刊
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY
卷 31, 期 2, 页码 177-182出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01932690903110269
关键词
Kinetics; L-tyrosine; micellar catalysis; ninhydrin; nonaqueous solvents
Kinetics of the reaction of L-tyrosine and ninhydrin has been studied spectrophotometrically at pH = 5.0 and temperature 80 degrees C in aqueous, aqueous-organic and aqueous cationic micelles of cetyltrimethylammonium bromide (CTAB). The product formed in all the media remains the same. Also, the reaction is catalyzed in both organic solvent and CTAB micellar media. The results obtained in micellar media are treated quantitatively in terms of pseudo-phase model. The rate constants and binding constants with the micelles have been evaluated.
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