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. 2021 Sep 27;6(39):25529–25538. doi: 10.1021/acsomega.1c03533

Table 5. Estimated Parameters from a Freundlich Isotherm for Adsorption of Lignin Molecules on an Aluminum Surface in 4 M NaOH.

parameters weight loss measurement electrochemical method
R2 0.967 0.930
KF (M–1) 64.04 83.90
1/n 0.517 0.609
ΔGads (kJ mol–1) –20.60 –21.28