Table 2. Number-average molecular weight (M
n
), weight-average molecular weight (M
w
), and polydispersity index (PDI) of kraft lignin (KL) and demethylated kraft lignin (DKL)
M
n
(Da)
M
w
(Da)
PDI
KL
649
2,116
3.26
DKL
947
5,784
6.11