Fig. 10: Evaluation of membrane stability. | npj Clean Water

Fig. 10: Evaluation of membrane stability.

From: Surface decoration of bis-aminosilane cross-linked multiwall carbon nanotube ultrafiltration membrane for fast and efficient heavy metal removal

Fig. 10

a IEC of CQACNT-6 composite membrane dipped in DI water for different time intervals (1–10 d); b WCA of CQACNT-6 composite membrane dipped in DI water for different time intervals (1–10 d); c FT-IR spectra of CQACNT-6 composite membranes; d PWP and removal efficiency of CQACNT-6 composite membrane during alkaline stability test for 1, 5, and 10 d. Error bars represent the standard deviation between three reported values.

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