IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
Influence of carbon type on carbon isotopic composition of coal from the perspective of solid-state C-13 NMR
Ding, DS (Ding, Dianshi)1,2; Liu, GJ (Liu, Guijian)1,2; Fu, B (Fu, Biao)1
2019-06-01
Source PublicationFUEL
Volume245Pages:174-180
Contribution Rank2
AbstractA total of twelve coal samples at bituminous rank from China were studied using a combination of elemental analyzer/isotope ratio mass spectrometry (EA/IRMS) and solid-state 13C nuclear magnetic resonance (NMR) spectroscopy techniques to determine their carbon isotopic compositions and carbon types. Carbon isotope analysis showed that the δ13C values of the studied coals ranged from −22.9‰ to −25.1‰ and correlated significantly with the ratios of aromatic carbons to aliphatic carbons. The studied coals were enriched in 13C due to the fact that the amount of 13C-enriched aromatic carbons is more than that of 13C-depleted aliphatic carbons. The observations suggest that carbon isotopic compositions of whole coal may be controlled by the distribution of carbon types.
KeywordCoal Carbon isotope Carbon type NMR China
Indexed BySCI ; SCIE
Language英语
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10972
Collection黄土与第四纪地质国家重点实验室(2010~)
Affiliation1.CAS Key Laboratory of Crust-Mantle Materials and Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui230026, China;
2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, The Chinese Academy of Sciences, Xi’an, Shaanxi 710075, China
Recommended Citation
GB/T 7714
Ding, DS ,Liu, GJ ,Fu, B . Influence of carbon type on carbon isotopic composition of coal from the perspective of solid-state C-13 NMR[J]. FUEL,2019,245:174-180.
APA Ding, DS ,Liu, GJ ,&Fu, B .(2019).Influence of carbon type on carbon isotopic composition of coal from the perspective of solid-state C-13 NMR.FUEL,245,174-180.
MLA Ding, DS ,et al."Influence of carbon type on carbon isotopic composition of coal from the perspective of solid-state C-13 NMR".FUEL 245(2019):174-180.
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