Preparation of Fulvic Acid Platform Compounds and Spectral Characterization of Molecular Characteristic Composition
GONG Guan-qun1, 2, 3, ZHANG Ying-jie1, 2*, SHI Yong-ming2, DENG Bo2, ZHANG Ao2, MA Lu-lin2, LIU Wen-jing2, JIANG Bei3
1. Key Laboratory of Coal Processing and Efficient Utilization of Ministry of Education, Xuzhou 221116, China
2. College of Chemical Engineering & Technology, China University of Mining and Technology, Xuzhou 221116, China
3. College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
Abstract：In recent years, the advanced scientific research on the extraction and preparation of high value-added coal based chemicals has found that Fulvic Acid Platform Compounds (FAPC) are a kind of cluster characteristic assembly molecular assembly with special functions in modern agriculture, biomedicine and functional materials, then it has a good application prospect. It is of great scientific significance to study the basic theory and chemical composition of the preparation of fulvic acid platform compounds. In this paper, the preparation and extraction methods of fulvic acid platform compounds based on different homologous substances were briefly introduced. The selective dissociation law of coal base compounds, the composition of functional groups of fulvic acid platform compounds and the spectral analysis of self-assembled structure characteristics were described in detail. The results showed that the selective preparation and extraction of fulvic acid platform compounds could be realized by acid-base reaction, ion exchange, biotransformation and microwave. Through the analysis of IR, NMR, fluorescence spectrum, electron and vibration spectra and molecular simulation, the molecular structure, functional groups and molecular chains of the prepared fulvic acid platform compounds were identified from different spectral characteristics. The self-assembled space configuration, group structure and construction method were effectively detected and characterized. A variety of spectra showed that the fulvic acid platform compounds were mainly composed of carboxyl, hydroxyl, phenolic hydroxyl, quinone and carbonyl molecules. The active small molecules produced by selective dissociation form self assembling group due to their molecular orientation. They are characterized by friendly interface, micro and nano size, electrical energy storage and good biocompatibility. In this paper, the advantages and disadvantages of the preparation of fulvic acid platform compounds are revealed through comparative analysis. Finally, future theoretical research and application prospect of fulvic acid platform compounds are prospected.
Key words：Fulvic acid; Platform compounds; Chemical composition; Spectrum; Self-assembly
巩冠群，张英杰，石永明，邓 波，张 傲，马璐蔺，刘文静，姜 蓓. 黄腐酸平台化合物制备及特性构成光谱表征[J]. 光谱学与光谱分析, 2019, 39(02): 522-528.
GONG Guan-qun, ZHANG Ying-jie, SHI Yong-ming, DENG Bo, ZHANG Ao, MA Lu-lin, LIU Wen-jing, JIANG Bei. Preparation of Fulvic Acid Platform Compounds and Spectral Characterization of Molecular Characteristic Composition. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2019, 39(02): 522-528.
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