Thermal Oxidative Degradation of Coal as a Route to Sulfur Functionality: An Initial Study

Partially codified, structurally intact latex fibers("Aflenhaar") found in a low-rank coal have been characterized by various analytical methods. It has been proposed in previous studies, and it appears to be so here, that the latex was "naturally" vulcanized during the coalification period. The Affenhaar samples studied here are high in sulfur. However, the sulfur constituents were not extracted in the pyridine solvent used to exact the hydrocarbons. Two fossilized latex samples recovered from different locations within the brown coal deposit were characterized. Pyridine extracts of the samples were analyzed by capillary gas chromatography, combined capillary gas chromatography-mass spectrometry, and high-resolution mass spectrometry. Twelve compounds in the extract were tentatively identified as amyrin and hopane biomarker derivatives by comparing the Kovats retention indices, mass spectra, and order of elution with those in the literature. Three of these. identifications were verified by cochromatography with authentic standards.Kovats retention indices for the twelve compounds are reported.

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Thermal Oxidative Degradation of Coal as a Route to Sulfur Functionality: An Initial Study

Cited by 2 publications

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Determination of Sulfur-Containing Polycyclic Aromatic Compounds in Coal Extracts using Capillary Column Gas Chromatography with Radio Frequency Plasma Detection

Determination of Sulfur-Containing Polycyclic Aromatic Compounds in Coal Extracts using Capillary Column Gas Chromatography with Radio Frequency Plasma Detection

Identification of Polycyclic Hydrocarbons in Fossilized Latex From Brown Coal

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