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Title: | Semi-quantitative oxygen functional group distribution in two coal types | Authors: | FRANCO, Dirk GELAN, Jan MARTENS, Harry VANDERZANDE, Dirk |
Issue Date: | 1992 | Source: | Fuel, 71(5). p. 553-557 | Abstract: | The concentration of different oxygen-containing groups (-OH, COOH, Ar---O---Ar, Ar---O---CH3, R---O---R) in two different coal types (a brown coal and a flame coal) are described by combined use of quantitative 13C CP/MAS n.m.r. spectroscopy and several labelling reactions (acetylation, silylation, methylation). The effect of trimethylsilyl ether formation on relaxation times was also examined. | Document URI: | http://hdl.handle.net/1942/5360 | DOI: | 10.1016/0016-2361(92)90153-F | Type: | Journal Contribution |
Appears in Collections: | Research publications |
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