Figure 4
From: Effective pretreatment of lignin-rich coconut wastes using a low-cost ionic liquid
Abundance of HSQC NMR signal intensities of different lignin C–H units relative to 100 G2 + G2,cond units for lignin isolated from 1:10 g/g biomass (husk and shell) and [DMBA] [HSO4] with 20 % water at 170 °C for 45 min durations (monoplicate measurement).
