Multistage alkaline permanganate degradation of a type II kerogen |
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Authors: | Dragomir Vitorovi Mirjana Djordjevi Andr Ambls Jean C Jacquesy |
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Institution: | 1. Institute of Chemistry, Faculty of Science, University of Belgrade, PO Box 550, YU-11001, Yugoslavia;2. Institute of Chemistry, Technology and Metallurgy, Belgrade, Yugoslavia |
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Abstract: | The products of a 27-step alkaline permanganate degradation of a type II kerogen from a sample of Toarcian shale, Paris Basin, have been studied. The high yield of oxidation products consisted of 1.86% neutrals and bases, 24.48% ether-soluble acids, and 45.95% precipitated, ether-insoluble acids, based on weight of original kerogen. The ether-soluble acids and the soluble products of further permanganate degradation of precipitated acids were found to consist mostly of saturated unbranched C6–C22 α,ω-dicarboxylic and C9–C25 monocarboxylic acids. Significant amounts of aromatic monocarboxylic, dicarboxylic and tricarboxylic acids were also found. Alkane tri- and tetracarboxylic acids were obtained in small concentration. |
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