Table 1.

Surface roughness parameters of the prepared membranes.

Membrane	Roughness Parameters (nm)
	Sq	Sa	Sz
M0	43.7 ± 5.2	33.8 ± 1.9	261 ± 20.1
M1	33.0 ± 3.7	24.9 ± 3.1	192 ± 19.1
M2	20.8 ± 1.2	16.0 ± 1.8	123 ± 15.4
M3	20.5 ± 1.3	15.5 ± 1.7	138 ± 16.7