Characterizing the Deacidification Adsorption Model of Organic Acids and Phenolic Compounds of Noni Extract Using Weak Base Ion Exchanger

Table 3

Values of adsorption extent, Peleg’s constants ( and ) for adsorption of rutin with regression coefficient (R²), and the root mean squared deviation (RMSD) at different initial concentrations.

Initial concentration (mg/L)	Adsorption extent (mg/g)	(min·g/mg)	(g/mg)	R^2	RMSD (adsorption extent)	Exhaustive time (Peleg)	RMSD (exhaustive time)
25	1.34 ± 0.08	33.43 ± 0.82	0.75 ± 0.029	0.89	0.01	335.69 ± 5.52	0.18
50	2.47 ± 0.03	15.55 ± 0.84	0.41 ± 0.006	0.91	0.01	345.15 ± 4.83	1.15
75	3.05 ± 0.12	25.06 ± 0.53	0.33 ± 0.006	0.75	0.10	341.65 ± 6.59	2.76
100	2.33 ± 0.26	9.28 ± 0.31	0.43 ± 0.043	0.98	0.05	67.88 ± 2.80	3.14