Comparison | Ca2+ | Na+ | K+ | Mg2+ | Cl− | Copper | Iron | Oxalate | |
CS vs. MS | 0.0018 | 0.0081 | 0.9101 | 0.0520 | 0.7312 | 0.0847 | 0.3021 | 0.0164 | 0.0902 |
CS vs. PS | 0.0001 | 0.0001 | 0.0027 | 0.0975 | 0.8014 | 0.0012 | 0.2903 | 0.5718 | 0.2410 |
MS vs. PS | 0.0805 | 0.1073 | 0.0010 | 0.0391 | 0.8771 | 0.0424 | 0.9790 | 0.0403 | 0.3015 |