Supplementary data for "Multistage extraction and structural analysis of solubles and residues from Northern Shaanxi coal tar pitch"

This dataset contains the supplementary figures and tables for the article "Multistage extraction and structural analysis of solubles and residues from Northern Shaanxi coal tar pitch" (Int. J. Oil, Gas and Coal Technology, manuscript no. IJOGCT-316935). It includes XPS survey spectra and deconvolution results (Table S1), FTIR absorbance assignments (Table S2), TG curves (Fig. S2), total ion chromatograms from GC/MS analysis (Figs. S3-S5), and complete GC/MS compound assignment tables (Tables S4-S6).