Porosity | Parameter | ||||
Shape factor | Volume/Surface area | Size | STDs sum | STDs difference | |
STD, % | |||||
meso | 9.9 | 10.8 | 19.8 | 9.9 + 10.8 = 20.7 | --- |
micro | 13.9 | 5.9 | 8.1 | --- | 13.9 − 5.9 = 8.0 |