Fig. 7From: Totally chlorine-free bleaching of prehydrolysis soda pulp from plantation hardwoods consisting of various lignin structuresMolecular-weight distribution of purified soda-AQ lignin obtained under various AA dosages (prehydrolysis conditions: 2.5 h at 150 °C; Soda-AQ cooking conditions: 3 h at 150 °C)Back to article page