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. 2020 Mar 2;5(10):5389–5400. doi: 10.1021/acsomega.9b04425

Figure 6.

Figure 6

(a) Effect of the original MB solution pH on the adsorption ability of the DA@PDA nanofiber membrane; (b) zeta potential of the DA@PDA nanofiber membrane at different pH values (adsorption conditions: original MB concentration was 50 mg/L, weight of the adsorbent was 10 mg, temperature was 298 K, and adsorption time was 24 h). (c) The effect of the original MB solution concentration on the adsorption ability of the DA@PDA nanofiber membrane (adsorption conditions: temperature was 298 K, pH was 6.5, and weight of the adsorbent was 10 mg).