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. 2020 Jan 15;21(2):999–1008. doi: 10.1021/acs.biomac.9b01665

Table 2. ζ potential of Diaminated Starch, Unmodified Starch, and Chitosan at Indicated pH Valuesa.

  ζ potential (mV)
pH diaminated starch unmodified starch chitosan
3 23.40 ± 0.38 0.06 ± 0.008 28.96 ± 0.56
4 16.93 ± 0.37 0.04 ± 0.005 22.36 ± 0.48
5 10.62 ± 0.28 0.04 ± 0.003 17.50 ± 0.37
6 4.69 ± 0.22 0.02 ± 0.003 7.28 ± 0.21
7 3.43 ± 0.08 0.002 ± 0.001 2.87 ± 0.11
a

Values are means of three independent measurements ± standard deviation (mean ± SD).