High-Efficiency Adsorption of Hexavalent Chromium from Aqueous Solution by Samanea saman Activated Carbon

Table 1

Effect of pH on adsorption of Cr(VI) using SSAC.

Initial concentration of Cr(VI) (mg/L)	Final concentration of Cr(VI) (mg/L)	Initial pH	Final pH
30	0.685	3	11.95
	0.680	5	11.95
	0.890	7	12
	0.663	9	11.95