title: Diphenylglyoxal and dipyridylglyoxal bis(benzoylhydrazone) as analytical reagents.
abstract: The synthesis, characteristics and analytical properties of diphenylglyoxal and dipyridylglyoxal bis(benzoylhydrazone)s are described. The solubility, spectral characteristics, pK values, effect of oxidizing and reducing agents, hydrolysis resistance, and reactions with common cations are reported.
authors.affiliation: Department of Analytical Chemistry, Faculty of Sciences, University of Córdoba, Spain.
authors.forename: M
authors.initials: M
authors.lastname: Silva
authors.forename: M
authors.initials: M
authors.lastname: Gallego
authors.forename: M
authors.initials: M
authors.lastname: Valcárcel