Table 4.

Specific surface area (SSA), external surface area (ESA), micropore surface area (MPSA) and micropore volume (MPV) measured via N₂ sorption [SSA = ESA + MPSA].

sample	N2 sorption
	SSA / m2·g−1	ESA / m2·g−1	MPSA / m2·g−1	MPV / cm3·g−1
NCS-550	527	42	485	0.19
NCS-700	575	39	536	0.21
NCS-850	682	38	644	0.25
NCS-1000	776	34	742	0.28
g-NCS-550	503	39	464	0.18
g-NCS-700	493	50	443	0.17
g-NCS-850	206	168	38	0.02
g-NCS-1000	182	129	53	0.02