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| mercury intrusion pressure (MPa) | pore diameter (nm) | pore types |
|---|---|---|
| 0.03–0.125 (0.3–18 psia) | >105 | visible pores and fractures |
| 0.13–1.184 (18.98–171.56 psia) | 103–105 | macropore |
| 1.5–10.1 (217–1679 psia) | 102–103 | mesopore |
| 13–123 (1897–17956 psia) | 10–100 | minipore |
| 137–217.1412 (19959–31488 psia) | <10 | micropore |
