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. Author manuscript; available in PMC: 2020 Nov 4.
Published in final edited form as: J Am Chem Soc. 2019 Sep 16;141(38):15266–15276. doi: 10.1021/jacs.9b07243

Figure 6.

Figure 6.

GPC chromatograms of (a) untreated and (b) oxidized poplar lignin. Conditions: PSS PolarSil Linear S column with solution of 0.1 M lithium bromide (LiBr) in dimethyl formamide (DMF) as the mobile phase (flow rate of 0.3 mL/min).