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| Electrode # | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| R (kΩ) | 3.1 | 1.4 | 1.9 | 2.7 | 1.4 | 2.8 | 2.4 | 1.8 | 4.0 (*) |
Numbers refer to drawings in Fig. 1 . (*) Electrode 9 was retested after 3 months in saline solution and exhibited a 5.1 kΩ resistivity.
