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 |