Characterization of Microscopic Pore Structures of Rock Salt through Mercury Injection and Nitrogen Absorption Tests

Table 3

The determined specific surface area and pore size using nitrogen absorption method.

Sample number	XF-01	XF-02	XF-03
Average pore throat radius (nm)	6.04	13.54	38.07
Specific surface area (m^2 g^−1)	13.3 × 10^3	7.16 × 10^3	0.3 × 10^3
Micropore volume (cm^3 g^−1)	80	100	1400