Table 2.

Zeta potential of the prepared PA/AG membranes (pure PA and blended with 0.2 wt.% AG in the TMC/n-hexane solution) at different pH values.

pH	Zeta Potential (mV)
	0 wt.% AG	0.2 wt.% AG
3.2	13.6	9.6
3.7	4.0	2.6
5	−28.6	−24.6
6	−37.4	−41.5
7	−43.3	−50.5
8	−45.5	−51.3
8.5	−45.4	−50.1