Phosphate Buffer Solution pH 6.8 R1
To 51.0 mL of a 27.2 g/L solution of potassium dihydrogen phosphate R add 49.0 mL of a 71.6 g/L solution of disodium hydrogen phosphate R. Adjust the pH (2.2.3) if necessary.
Storage: at 2 °C to 8 °C.
To 51.0 mL of a 27.2 g/L solution of potassium dihydrogen phosphate R add 49.0 mL of a 71.6 g/L solution of disodium hydrogen phosphate R. Adjust the pH (2.2.3) if necessary.
Storage: at 2 °C to 8 °C.