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. 2019 Mar 14;116(14):6659–6664. doi: 10.1073/pnas.1819382116

Fig. 4.

Fig. 4.

The mass balance of FFA oxidation. (A) UHPLC/MS chromatogram of the typical products from the oxidation of FFA in Fe2O3@FCNT-H/H2O2 system. Mass spectra of the products are available in SI Appendix, Fig. S5. (B) The mass balance for the oxidation of FFA in Fe2O3@FCNT-H/H2O2 system. Reaction conditions: pH = 5.0, T = 293.2 K, [Fe2O3@FCNT-H] = 1.5 × 10−2 gL−1, [H2O2] = 50 mM, [FFA] = 1/5 mM, [MeOH] = 50 mM, reaction time = 60 min.