Organosulfur compounds in coals as determined by reaction with Raney nickel and microscale pyrolysis techniques. Quarterly report, July--September 1996

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Since the last quarterly report the authors have continued with the detailed analyses of the coal degradation products by gas chromatography-mass spectrometry (GCMS). This is a very time consuming process since the degradation products are very complex, even though they have been separated into saturate and aromatic fractions. Most of the efforts are centering on the saturate fractions at this time. Furthermore it is necessary to make detailed comparisons between the deuterated and non-deuterated samples in order to ascertain where, if anywhere, deuterium atoms have been incorporated into the degradation products. Since the authors have been looking at four coals, ... continued below

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14 p.

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Stalker, L. & Philp, P. December 31, 1998.

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Description

Since the last quarterly report the authors have continued with the detailed analyses of the coal degradation products by gas chromatography-mass spectrometry (GCMS). This is a very time consuming process since the degradation products are very complex, even though they have been separated into saturate and aromatic fractions. Most of the efforts are centering on the saturate fractions at this time. Furthermore it is necessary to make detailed comparisons between the deuterated and non-deuterated samples in order to ascertain where, if anywhere, deuterium atoms have been incorporated into the degradation products. Since the authors have been looking at four coals, and from each coal they have a coal matrix, asphaltene and polar fraction that has been degraded with both deuterated and non-deuterated reagents, that gives a total of 24 saturate fractions that need to be analyzed in detail by GCMS. Fortunately it would appear that there are a certain number of similarities in the products being produced from these degradation reactions, which will be extremely helpful during the data processing. Results are presented.

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14 p.

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OSTI as DE98050055

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  • Other Information: PBD: [1998]

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  • Other: DE98050055
  • Report No.: DOE/PC/94214--T8
  • Grant Number: FG22-94PC94214
  • DOI: 10.2172/569053 | External Link
  • Office of Scientific & Technical Information Report Number: 569053
  • Archival Resource Key: ark:/67531/metadc693947

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  • December 31, 1998

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  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 11, 2015, 1:09 p.m.

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Stalker, L. & Philp, P. Organosulfur compounds in coals as determined by reaction with Raney nickel and microscale pyrolysis techniques. Quarterly report, July--September 1996, report, December 31, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc693947/: accessed November 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.