Author:
Kornienko Galina Vasil'yevna,Kapaeva Svetlana Nikolayevna,Malyar Yuriy Nikolayevich,Kornienko Vasiliy Leont'yevich,Taran Oksana Pavlovna
Abstract
Electrocatalytic oxidation of potato starch was investigated potassium iodate in a two-chamber electrolytic cell with in situ regeneration of the oxidant on Pb/PbO2 and graphite electrodes, depending on the current density, electrolyte pH and electrolysis time. To analyze the samples of the starting and oxidized starch, the methods of photometry, X-ray diffraction, gel permeation chromatography, and IR spectroscopy were used. The optimal conditions for starch dialdehyde production were determined: current density 50 mA/cm2, electrolyte pH 7, electrolysis time 80 min. and a temperature of 25 °С. The weight average molecular weights (Mw) of AIBN samples were determined, which are several orders of magnitude lower (104) than the average molecular weight of native starch (108).
Subject
Organic Chemistry,Plant Science,Biomaterials
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