| Cations | Anions | ||
|---|---|---|---|
| Element | Equivalent Weight | Element | Equivalent Weight |
| Calcium (Ca) | 20.04 | Chloride (Cl) | 35.453 |
| Magnesium (Mg) | 12.1525 | Carbonate (CO3) | 30.004 |
| Sodium (Na) | 22.9898 | Bicarbonate (HCO3) | 61.016 |
| Potassium (K) | 39.098 | Sulfate (SO4) | 48.03 |
| Lithium (Li) | 6.94 | Nitrate (NO3) | 62.004 |
| Iron (Fe) | 27.97 | Bromide (Br) | 79.904 |
| Manganese (Mn) | 27.469 | Nitrogen (N) | 14.007 |
| Strontium (Sr) | 43.81 | Ammonium (NH4) | 18.039 |
| Barium (Ba) | 68.665 | Phosphate (PO4) | 31.66 |