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

Table 5

Values of adsorption extent, Peleg’s constants ( and ) for adsorption of quercetin 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	1.76 ± 0.11	41.81 ± 2.31	0.57 ± 0.017	0.76	0.00	214.07 ± 3.15	0.28
50	2.24 ± 0.08	15.06 ± 0.88	0.45 ± 0.007	0.93	0.00	216.23 ± 4.18	1.51
75	1.70 ± 0.81	26.15 ± 1.09	0.37 ± 0.066	0.77	0.08	214.63 ± 4.82	1.71
100	2.06 ± 0.22	7.27 ± 0.64	0.49 ± 0.038	0.98	0.06	203.52 ± 6.41	3.84