Characterization of humic acids extracted from a lignite and interpretation for the mass spectra

Humic acids obtained from a Chinese lignite via alkali treatment were analyzed using Fourier transform infrared spectroscopy and Orbitrap mass spectrometry coupled with an electrospray ion source (ESI-Orbitrap-MS). Raw coal and the corresponding residue were characterized via scanning electron micro...

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Veröffentlicht in:	RSC advances 2017-01, Vol.7 (33), p.2677-2684
Hauptverfasser:	Wang, Chu-Fan, Fan, Xing, Zhang, Fan, Wang, Shou-Ze, Zhao, Yun-Peng, Zhao, Xiao-Yan, Zhao, Wei, Zhu, Teng-Gao, Lu, Jin-Li, Wei, Xian-Yong
Format:	Artikel
Sprache:	eng
Schlagworte:	Aliphatic compounds Aromatic compounds Carboxylic acids Fourier transforms Humic acids Infrared analysis Ion sources Ions Lignite Mass spectra Mass spectrometry Oxygen atoms Phenols Scanning electron microscopy Scientific imaging
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