Evaluation of Activated Carbons Prepared from Bioprecursors for the Removal of Cadmium and Chromium (VI)

Table 1

Elemental analysis of CA1 and CA2 by SEM.

Elements	Atom (%)
	CA1	CA2
C	88.98	92.35
O	10.70	6.65
S	0.24	0.63
Na	—	0.11
K	0.09	0.20
Mg	—	0.07