• British Pharmacopoeia Volume V
  • Appendices
  • Appendix I D. Buffer Solutions

Buffer Solution pH 2.2

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Buffer Solution pH 2.2 Dissolve 100 g of potassium dihydrogen phosphate R in 800 mL of water R; adjust to pH 2.5 (2.2.3) with hydrochloric acid R and dilute to 1000.0 mL with water R.