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. 2019 Dec 3;4(25):21197–21203. doi: 10.1021/acsomega.9b02627

Figure 5.

Figure 5

Zeta potential of as-prepared PAW (red), various 30 day aged PAW and DI water (black) for reference. (A) Zeta potentials of as-prepared PAW, 30 day aged PAW-6-30 and DI water. (B) Statistical results of zeta potentials of various samples. Green: slowly frozen/slowly melted PAW-1-30; blue: slowly frozen/quickly melted PAW-2-30; pink: quickly frozen/slowly melted PAW-3-30; orange: quickly frozen/quickly melted PAW-4-30; yellow: super-quickly frozen/slowly melted PAW-5-30; purple: super-quickly frozen/quickly melted PAW-6-30. ***, p < 0.001.