Fig. 1

Synchronous (a, c, e, and f) and asynchronous (b, d, f, and h) 2D-FTIR-COS spectra of WSB500 (a, b), WSB700 (c, d), DMB500 (e, f), and DMB700 (g, h) oxidized at different H2O2 concentrations.

Synchronous (a, c, e, and f) and asynchronous (b, d, f, and h) 2D-FTIR-COS spectra of WSB500 (a, b), WSB700 (c, d), DMB500 (e, f), and DMB700 (g, h) oxidized at different H2O2 concentrations.