| Variables | CP 1 | CP 2 |
| pH | 0.11 | 0.79 |
|
| 0.97 | −0.09 |
|
| 0.94 | −0.11 |
| [Cl−] | 0.88 | −0.42 |
| [Ca²+] | 0.62 | 0.39 |
| [Mg²+] | 0.91 | 0.33 |
| [Na+] | 0.77 | −0.47 |
| [K+] | 0.91 | 0.32 |