Assessing Redox Properties of Natural Organic Matters with regard to Electron Exchange Capacity and Redox-Active Functional Groups

Figure 4

3DEEM fluorescence spectra of LMWF of LNOM in their native, after −0.49 V and −0.59 V DER redox state: (a) 3500 LMWF native; (b) 3500 LMWF −0.49 V; (c) 3500 LMWF −0.59 V; (d) 14000 LMWF native; (e) 14000 LMWF −0.49 V; (f) 14000 LMWF −0.59 V.

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