Table 2. Percentage of elements in CS-AC at 700°C

	Element in CS-AC-80 mesh		Element in CS-AC-100 mesh		Element in CS-AC-200 mesh
	Weight% Area 1	Atomic% Area 1	Weight% Area 1	Atomic% Area 1	Weight% Area 1	Atomic% Area 1
C	90.45	92.15	90.32	92.84	84.96	88.44
O	8.87	6.35	8.78	6.77	9.74	7.62
P	0.29	1.02	0.34	0.14	1.09	0.44
N	0.39	0.48	0.56	0.25	3.63	3.24
Total	100	100	100	100	100	100

CS: coconut shell, AC: activated carbon.