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

Table 1

Concentration variation with absorbance for the methylene blue solutions, methylene blue wavelength (665 nm).

Concentration (mg/L)	Absorbance
0	0
1	0.263
2	0.412
10	1.424
25	1.595
50	1.653
100	1.727
125	1.754
250	1.842
375	1.909
500	1.959
625	1.992
750	2.051
1000	2.153