Formulation Recipes of Various pH
| Effect of Broad Range pH Contact Solution | Effect of Low pH Contact Solutions | Effect of High pH Contact Solution | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| pH | 2.0 | 3.3 | 10.5 | 12 | 2.0 | 2.3 | 3.0 | 10.0 | 11.0 | 11.75 |
| KCl | 10 mM | 10 mM | 10 mM | 10 mM | ||||||
| Citrate | 3 mM | |||||||||
| Phosphate | 50 mM | 50 mM | ||||||||
| HCl | A | A | A | A | ||||||
| NaCl | 154 mM | |||||||||
| NaOH | A | A | A | A | A | |||||
| Calculated osmolarity (mOsm/L) | <0.03 | 0.156 | 0.155 | 0.177 | <0.03 | <0.03 | <0.03 | N/A | N/A | N/A |
A: solution titrated to target pH.