Determination of Optimum Conditions for the Production of Activated Carbon Derived from Separate Varieties of Coconut Shells

Table 5

Effect of activating agent concentration on absorbance and adsorptive performance.

Sample	H3PO4 concentration (M)	Absorbance	Adsorptive performance (%)
,	0.30	0.116, 2.29	99.9, 97
, —	0.50	0.066	100, —
,	0.67	0.04, 1.76	100, 99.7
,	1.00	1.707, 0.77	91.5, 99.9
,	1.33	2.36, 3.187	80.2, 71.4