Fluorimetric and absorptiometric determination of dissociation constants and chromogenic reactions of benzyl 2-pyridyl ketone 2-quinolylhydrazone.
The dissociation constants in the ground state of benzyl 2-pyridyl ketone 2-quinolylhydrazone (BPKQH) have been determined fluorimetrically and spectrophotometrically in aqueous ethanol medium. The pK(a) values of this compound in the excited state have also been established. The analytical properties of the reagent and its chromogenic reactions with some metal ions were studied.
Sanchez
F G
FG
Department of Analytical Chemistry, Faculty of Sciences, The University, 29071 Málaga, Spain.
Blanco
C C
CC
Medinilla
J
J