Graphic Representation of the 13C Chemical Shifts and Substructures of Hydrocarbons and Oxygen-containing Compounds for the Analysis of Chemical Structures of Coals and the Related Materials.
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概要
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The <SUP>13</SUP>C chemical shift ranges are representated graphically for the carbon types and the α -circumstances in hydrocarbons and oxygen-containing compounds. The main purpose of the charts is simple and easy utilization of the correlations between <SUP>13</SUP>C shift range and the substructure for the structural analysis of the natural products such as coals, soils, lignins and their reaction products.<BR>The <SUP>13</SUP>C NMR spectra were observed for Ishikari peat, the extracted residue, the extracted oil, a lignin and a cellulose. In the solid state, CPMAS and the dipolar -ing spectra were observed, and the chemical structures of Ishikari peat were discussed by using the charts. The most different points in structure of Ishikari peat from woods are the inclusion of the alkyl chain structures.
- 一般社団法人 日本エネルギー学会の論文
一般社団法人 日本エネルギー学会 | 論文
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