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Table 1 Elemental compositions in atomic percentage derived from XPS survey spectra

From: Overcoming biomass recalcitrance by synergistic pretreatment of mechanical activation and metal salt for enhancing enzymatic conversion of lignocellulose

Sample Atomic percentage (%) O/C
O 1 s C 1 s Al 2p Fe 2p Cl 2p N 1 s
Untreated SCB 21.61 78.39 0.276
MA-pretreated SCB 29.30 70.70 0.414
MA + AlCl3 pretreated SCB 36.43 60.93 1.94 0.69 0.598
MA + FeCl3 pretreated SCB 36.49 61.71 0.96 0.84 0.591
MA + Al(NO3)3 pretreated SCB 36.24 59.82 1.69 2.25 0.606
MA + Fe(NO3)3 pretreated SCB 36.08 60.36 0.64 2.92 0.598