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    Relation between the deposition and petrology of Shanxi coals and the composition of their extracts

    Huai, Huaying and Gaines, A. and Tye, R.E. (2011) Relation between the deposition and petrology of Shanxi coals and the composition of their extracts. Applied Geochemistry 26 (8), pp. 1377-1385. ISSN 0883-2927.

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    Abstract

    The soluble organic material present in a set of 12 coal samples representing 3 major episodes of coal deposition in Shanxi Province, North China, has been examined. Shanxi coals, like those from Gondwanaland, contain little liptinite and accordingly the material extracted by pyridine yields only small quantities of n-hexane soluble n-alkanes, steranes and hopanes identifiable by gas chromatography/mass spectrometry. The distribution of the n-alkanes is characteristic of the environment from which each of the Shanxi coals was formed but the distribution of the branched alkanes is generally determined by the dia- and catagenesis each coal experienced. Aromatic compounds identified in the extracts typify the small molecules present within the vitrinite lattice. Technologically significant benzene-methanol extracts deriving from vitrinite-inertinite have been characterised by proton nmr spectroscopy and partially separated by HPLC.

    Metadata

    Item Type: Article
    School: Birkbeck Schools and Departments > School of Science > Biological Sciences
    Depositing User: Administrator
    Date Deposited: 26 May 2011 08:55
    Last Modified: 17 Apr 2013 12:20
    URI: http://eprints.bbk.ac.uk/id/eprint/3500

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