Synthesis and Characterization of Carbon Nanofibers Grown on Powdered Activated Carbon

Table 4

Compositions of elements in PAC, Ni impregnated PAC, and PAC-CNF.

Element	Average weight; (%)			Average atomic composition (%)
	PAC	Ni-PAC	PAC-CNF	PAC	Ni-PAC	PAC-CNF
C	89.98	78.85	87.37	92.10	86.69	94.05
O	4.88	13.96	3.95	7.20	11.52	6.66
Na	0.18	—	—	0.10	—	—
Si	0.71	0.37	0.69	0.32	0.18	0.32
Cl	0.32	—	—	0.40	—	—
K	0.33	0.36	0.55	0.11	0.12	0.18
Ca	0.43	0.26	0.31	0.13	0.08	0.22
Ni	—	6.16	5.84	—	1.39	1.29