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. 2019 Feb 13;11(2):323. doi: 10.3390/polym11020323

Table 3.

Roughness parameters, porosity and pore sizes of hybrid membranes.

Sample Ra (nm) Rq (nm) Rz(nm) ε (%) rm (nm)
M0 14.3 ± 2.1 17.3 ± 3.2 160.5 ± 6.4 68.6 100.5
M1 16.4 ± 3.6 20.1 ± 3.4 170.5 ± 14.4 69.2 146.1
M2 15.8 ± 2.3 19.1 ± 1.6 204.0 ± 11.9 72.5 164.6
M3 19.4 ± 1.7 25.4 ± 2.0 231.0 ± 18.1 75.3 179.2