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A method has been proposed for electrosorptive separation of humic substances, associated organic substances and cations of metals from water solutions of soil extracts. For separation we used beds of activated carbon polarized from an external EMF source. Essential differences were found in compositions of organic and inorganic substances concentrated in beds of the cathode and anode carbons. The proposed method is considered as an option of a comprehensive approach to studying the nature of humic compounds combining electrochemistry and instrumental methods of analysis.
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Abramov et al. (2007) studied this question.
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