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. 2019 Aug 12;20(16):3915. doi: 10.3390/ijms20163915

Figure 5.

Figure 5

The permeability coefficient of acetic and hexanoic acid by PIMs with different Aliquat 336 content (PIMs: PIMs: PIM1, PIM2, PIM3, PIM4, and PIM5; Feed solution: 0.01 mol L−1 acetic acid +0.01 mol L−1 hexanoic acid, pH = 6; Stripping solution: 0.1 mol L−1 HCl).