Reverse osmosis system typical contaminant Rejection rate
| Sodium | 85 - 94% |
|---|---|
| Sulfate | 96 - 98% |
| Calcium | 94 - 98% |
| Potassium | 85 - 95% |
| Nitrate | 60 - 75% |
| Iron | 94 - 98% |
| Zinc | 95 - 98% |
| Mercury | 95 - 98% |
| Selenium | 94 - 96% |
| Phosphate | 96 - 98% |
| Lead | 95 - 98% |
| Arsenic | 92 - 96% |
| Magnesium | 94 - 98% |
| Nickel | 96 - 98% |
| Fluoride | 85 - 92% |
| Manganese | 94 - 98% |
| Cadmium | 95 - 98% |
| Barium | 95 - 98% |
| Cyanide | 84 - 92% |
| Chloride | 85 - 92% |
