| Reagent | Final concentration | Quantity |
|---|---|---|
| Sodium phosphate monobasic (solution A) | 0.5 M | 3 g in 50 mL of ultrapure H2O |
| Sodium phosphate dibasic (solution B) | 0.5 M | 14 g in 170 mL of ultrapure H2O |
| Total | 0.5 M | 220 mL |
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