Fig. 5: Mass fraction analysis.

a Mass fraction adsorbed and desorbed in pH 5.5 system. b Mass fraction adsorbed and desorbed in pH 7 system. Error bars indicate one standard deviation from the mean value, n = 3.

a Mass fraction adsorbed and desorbed in pH 5.5 system. b Mass fraction adsorbed and desorbed in pH 7 system. Error bars indicate one standard deviation from the mean value, n = 3.