Content determination of phenolic hydroxyl and carboxyl in lignin by aqueous phase potentiometric titration
ZHOU Mingsong1,2,HUANG Kai1,2,QIU Xueqing1,2,YANG Dongjie1,2
CIESC Journal . 2012, (1): 258 -265 .  DOI: 10.3969/j.issn.0438-1157.2012.01.036