Table 2 Mean and standard deviation (SD) of calculated pH (pHCO2), measured pHspec and pHelec in different soils
| Soil | pHCO2 (SD) | pHspec (SD) | pHelec (SD) |
|---|---|---|---|
| Lock Siliceous | 7.98 (0.01) | 8.00 (0.09) | 7.91 (0.03) |
| Ngarkat | 7.08 (0.01) | 7.03 (0.04) | 6.79 (0.03) |
| Monarto 1 | 8.06 (0.01) | 8.06 (0.03) | 8.11 (0.04) |
| Modra | 7.60 (0.04) | 7.67 (0.04) | 7.63 (0.02) |
| Lock Horizon | 8.17 (0.03) | 8.12 (0.04) | 8.10 (0.04) |
| Karoonda | 7.05 (0.06) | 6.47 (0.08) | 6.24 (0.14) |
| Monarto 2 | 7.17 (0.12) | 6.75 (0.06) | 6.63 (0.06) |
| Cowirra | 7.79 (0.01) | 7.74 (0.05) | 7.72 (0.02) |
| Black point | 7.94 (0.01) | 8.04 (0.03) | 8.04 (0.01) |
| Average SD | 0.03 | 0.05 | 0.05 |