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Model estimates of the isoelectric point (IEP) and upper (ζ0) and lower (ζinf) pH plateau zeta potentials.
| Uncoated | Citrate coated | SLF exposed | FaSSGF exposed | FeSSGF exposed | FaSSIF exposed | FeSSIF exposed | |
|---|---|---|---|---|---|---|---|
| IEP (pH) | 2.7 | 2.7 | 2.6 | 2.6 | 3.5 | 2.4 | 2.9 |
| ζ0 (mV) | 19.8 | 27.5 | 11.9 | 11.1 | 20.4 | 7.3 | 8.8 |
| ζinf (mV) | −21.5 | −31.1 | −35.6 | −34.8 | −29.0 | −39.8 | −35.6 |
