Table 6. Different Types of Porosities Determined Based on the PSDs of Saturated (Microporosity, ϕ_micro, Mesoporosity, ϕ_meso, Macroporosity, ϕ_macro, Total Porosity), Dry (Closed Porosity), and Differential Data of Saturated and Dry Samples (Open Porosity).

		porosity value (%)
porosity type	pore size range	AK1	AK2	AK3	AK4
microporosity, ϕmicro	<2 nm	0.02	0.02	0.02	0.02
mesoporosity, ϕmeso	2–50 nm	0.63	0.53	0.92	0.95
macroporosity, ϕmacro	50–280 nm	0.44	0.27	0.69	0.52
	0.280–1.4 μm	0.92	0.21	0.31	0.38
	1.4–4 μm	0.32	0.05	0.05	0.10
	4–40 μm	0.009	0	0	0.007
	0–40 μm (total ϕmacro)	1.691	0.531	1.056	1.015
total porosity	0–40 μm	2.34	1.08	1.99	1.98
closed porosity	0–40 μm	1.22	0.65	1.31	1.31
open porosity	0–40 μm	1.2 ± 0.1	0.44 ± 0.09	1.0 ± 0.2	0.7 ± 0.1