Identification of straight-chain fatty acids associated with metallic cations in coals |
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| Affiliation: | 1. Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, China;2. Jian Agricultural and Rural Industry Development Service Center, Jian 343000, China;3. Jiangxi Jinkang Advanded Material Sci-Tech Co., Ltd, Taihe, 343700, China;1. College of Pharmacy, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China;2. College of Life Science, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China;3. East China University of Technology, Nanchang 330013, PR China |
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| Abstract: | Straight-chain fatty acids and associated cations, such as Ca2+, Mg2+ and Fe3+, in the solvent extracts from the humic substances of Joban lignite and Taiheiyo coal were analysed after treatment with hydrochloric acid. Gas chromatographic analyses showed the most abundant presence of C16 in the C14 to C32 straight-chain fatty acids. The amount of Ca2+ bonded to the fatty acids was calculated to be about 20 ppm of the humic substances. |
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