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. 2019 Oct 28;11(11):1771. doi: 10.3390/polym11111771

Table 1.

FT-IR peak assignments and relative absorption values of AL and DL samples.

Lignin 1592 Ar–H 1509 Ar–H 1457 OCH3 1218 Ar–OH 1039 Al–OH
AL 1 0.93 1.57 0.95 0.79
HBr–DL 1 1.145 1.29 1.34 1.09
HI–DL 1 1.15 1.23 1.35 1.20