Molecular characteristics of the soluble components from three low-rank coals based on the analyses using GC/MS and GC/Q-TOF MS

Three low-rank coals were subjected to a thermal dissolution (TD) process sequentially using cyclohexane (CYH) and methanol (MeOH) solvent to obtain six TD extracts. The six TD extracts were analyzed by Fourier transform infrared spectroscopy (FTIR), gas chromatograph/mass spectrometry (GC/MS) and g...

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