Protolytic Properties of Benzoylphenylhydroxylamine Grafted
on a Silica Surface

Yu. V. Kholin, I. V. Khristenko, and D. S. Konyaev

Khar’kov State University, Khar’kov, 310077 Ukraine

Received October 4, 1995

Abstract—Equilibrium of dissociation and homoconjugation of molecules of benzoylphenylhydroxylamine
(BPHA) grafted on a silica surface was studied in the range of ionic forces of aqueous solutions 0.1–1.0 mol/l
at 20°C. Energy inhomogeneities of samples of complexing silica were examined. The experimental results
were interpreted in terms of the concept of an islet-type filling of the surface by grafted molecules. Protolytic
properties of grafted BPHA were compared with those of similar compounds in solutions.

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