Table 2.
Effect of pH on the speciation of orthophosphate(V) forms in water.
| Solution pH | Ion Order | Molecular Formula of Orthophosphate(V) Form |
|---|---|---|
| <2.14 | - | H3PO4 |
| 2.14–7.20 | I | H2PO4− |
| 7.21–12.37 | II | HPO42− |
| >12.37 | III | PO43− |
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