Table 1. Texture Properties, Elemental Composite and XPS Analysis Data of NACs.

Sample	BET m2 g−1	Pore volume cm3 g−1	Element analysis			XPS analysis
			C%	N%	O%	C%	N%	O%
NAC-600	1681	0.80	85.35	2.16	11.93	85.32	2.31	11.24
NAC-700	1719	0.85	88.72	2.07	9.81	87.11	2.02	10.18
NAC-800	1900	0.98	90.36	1.73	6.20	87.62	1.53	10.23