Table S1.
Composition of sodium hydrogen phosphate and sodium dihydrogen phosphate buffer solution at various pH values
| pH | 0.2 mol/L Na2HPO4 (mL) | 0.3 mol/L NaH2PO4 (mL) | pH | 0.2 mol/L Na2HPO4 (mL) | 0.3 mol/L NaH2PO4 (mL) |
|---|---|---|---|---|---|
| 5.8 | 8.0 | 92.0 | 7.0 | 61.0 | 39.0 |
| 5.9 | 10.0 | 90.0 | 7.1 | 67.0 | 33.0 |
| 6.0 | 12.3 | 87.7 | 7.2 | 72.0 | 28.0 |
| 6.1 | 15.0 | 85.0 | 7.3 | 77.0 | 23.0 |
| 6.2 | 18.5 | 81.5 | 7.4 | 81.0 | 19.0 |
| 6.3 | 22.5 | 77.5 | 7.5 | 84.0 | 16.0 |
| 6.4 | 26.5 | 73.5 | 7.6 | 87.0 | 13.0 |
| 6.5 | 31.5 | 68.5 | 7.7 | 89.5 | 10.5 |
| 6.6 | 37.5 | 62.5 | 7.8 | 91.5 | 8.5 |
| 6.7 | 43.5 | 56.5 | 7.9 | 93.0 | 7.0 |
| 6.8 | 49.5 | 51.0 | 8.0 | 94.7 | 5.3 |
| 6.9 | 55.0 | 45.0 |
Note: Bold text denotes the compostitons of PBS or HAc-NaAc buffer solution at pH 4.5, 5.5, 6.5, 7.4 that were employed in the manuscript.