Analytical properties of 3-hydroxypicolinaldehyde azine.
The synthesis and analytical properties of 3-hydroxypicolinaldehyde azine (3-OH-PAA), salicyladehyde azine and picolinaldehyde azine are described. 3-OH-PAA is isolated for the first time. The solubility, spectral characteristics, pK values and reactions with 36 cations were examined.
De Torres
A G
AG
Department of Analytical Chemistry, Faculty of Sciences, University of Sevilla, Sevilla, Spain.
Valcarcel
M
M
Pino
F
F