Additional Formulation Preparations at pH 2.3
| Solution | Preparation |
|---|---|
| pH 2.3 HCl | 10 mM potassium chloride adjusted to pH 2.3 with hydrochloric acid |
| pH 2.3 acetate/water | 0.6 N acetic acid in water |
| pH 2.3 acetate/ethanol | 0.6 N acetic acid in 40% ethanol/water |