| Voltage (V) | Percentage concentration (%) | |||
| Brine only | Soda ash + brine | Soda ash/water solution + brine | 10% increment of soda ash in soda ash/water solution | |
| 3 | 0.024 | 0.224 | 0.480 | 0.614 |
| 4.5 | 0.032 | 0.500 | 0.520 | 0.668 |
| 6 | 0.056 | 0.512 | 0.536 | 0.696 |
| 7.5 | 0.072 | 0.536 | 0.561 | 0.720 |
| 9 | 0.092 | 0.560 | 0.584 | 0.744 |
| 12 | 0.104 | 0.586 | 0.624 | 0.755 |