- British Pharmacopoeia Volume IV
- Appendices
- Appendix I D. Buffer Solutions
Phosphate–Citrate Buffer Solution pH 5.5 |
Phosphate–Citrate Buffer Solution pH 5.5 Mix 56.85 ml of a 28.4 g/l solution of anhydrous disodium hydrogen phosphate R and 43.15 ml of a 21 g/l solution of citric acid R.