Title of article :
Ionization and tautomerism of oxyxanthene dyes in aqueous butanol
Author/Authors :
Mchedlov-Petrossyan، Nikolay O. نويسنده , , Tychina، Oksana N. نويسنده , , Berezhnaya، Tatyana A. نويسنده , , Alekseeva، Vera I. نويسنده , , Savvina، Lyubov P. نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1999
Abstract :
A squarylium dye carrying a monoazacrown moiety has been synthesized and characterized. The new azacrown-squarylium (ACSQ) dye 7 demonstrates sensitivity to Li+ complexation with spectroscopic changes in fluorescence. Complex formation of ACSQ with Cu2+ was also investigated by UV¯Vis spectrometry.
Keywords :
Fluorescein , Decyl eosin , Eosin , Decyl fluorescein , Protolytic equilibria , Sulfonefluorescein , Ionization constants , Microconstants of ionization , Tautomeric equilibrium constants , Medium effects , Absorption spectra , Aqueous butanol , Oxyxanthene dyes
Journal title :
DYES & PIGMENTS
Journal title :
DYES & PIGMENTS
