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. 2022 Jan 18;12(3):298. doi: 10.3390/nano12030298

Table 4.

ζ Potential results from carbon dots samples.

Sample ζ Potential (mV)
Cd.CB −11.61 ± 1.59
Cd.H2SO4 −5.20 ± 2.60 A
Cd.KOH −4.22 ± 2.17 A
Cd.H2SO4 + KOH −1.28 ± 1.16

Note: Mean values with the same letter are not statistically different (Tukey’s test, p-value > 0.05).