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Isoelectric points reported previously and hydroxyl content for the metals and alloys
| Metals | Isoelectric point | Hydroxyl content (OH / nm2) |
|---|---|---|
| SS 316L | 5.8, 8.5 | − |
| Nitinol | Not reported | − |
| Nickel | 11 | 14–15 |
| Titanium | 4–6 | 7–12.5 |
| Iron | 7 | 15 |
| Chromium | 6.7 | 13 |
| Molybdenum | 2.5 | 2.4–2.7 |
| Manganese | 4 | 14.5 |
