| Rp (Ohm) after 10 months in 3.5% w.t. NaCl | Rp (Ohm) after 18 months in 3.5% w.t. NaCl |
GROUP A | 155.60 | 130.00 |
GROUP B | 104.40 | 132.20 |
GROUP C | 169.20 | 159.40 |
GROUP D | 100.50 | 126.30 |