Table 4.
Zeta potential of pal samples.
| Sample | R-Pal | Pretreatment of pal with acid | |||||
|---|---|---|---|---|---|---|---|
| Acetic acid | 0.5 M HCl | 1 M HCl | 2 M HCl | 4 M HCl | 6 M HCl | ||
| Zeta potential (mV) | − 10.6 | 54.82 | 60.65 | 61.14 | 77.09 | 22.68 | 12.52 |
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