Table 1.
Cation compositions of tap water and distilled water.
| Water | Cation concentration (ppb) | ||||
|---|---|---|---|---|---|
| Ca2+ | Al3+ | Na+ | Mg2+ | K+ | |
| Tap water | 21690 | 13.33 | 10120 | 6698 | 1361 |
| Distilled water | 115.2 | 0.465 | 9.035 | 2.159 | 0.941 |
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