Research Article

Molecular Distributions of Soluble Oxidation Products from Coals Characterized by Mass Spectrometers

Figure 4

Mass spectra of (a) MEPs1-SLL, (b) MEPs1-SFB, (c) MEPs1-JCA, (d) MEPs2-SLL, (e) MEPs2-SFB, and (f) MEPs2-JCA, obtained by DART-TOF-MS.