Structural investigations of Australian coals—VI. The effect of rank as elucidated by per trifluoroacetic acid oxidation |
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| Authors: | TV Verheyen AG Pandolfo RB Johns GH Mackay |
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| Institution: | Department of Organic Chemistry, University of Melbourne, Parkville, Victoria 3052, Australia |
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| Abstract: | Several techniques including gas chromatography, petrography, nuclear magnetic resonance and infrared spectroscopy are applied to the investigation of pertrifluoroacetic acid oxidation of a series of Permian Australian bituminous coals in order to probe the effects of maturation on aliphatic structure. The occurrence of insoluble oxidation products is attributed to reagent blocking by carboxylated aromatic species. The combined influence of maturation and semifusinite content is reflected in the concentration and structural composition of functionalised long chain aliphatic oxidation products. |
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