Phosphate Buffer Solution pH 6.8
Mix 77.3 mL of a 71.5 g/L solution of disodium hydrogen phosphate R with 22.7 mL of a 21 g/L solution of citric acid R.
Mix 77.3 mL of a 71.5 g/L solution of disodium hydrogen phosphate R with 22.7 mL of a 21 g/L solution of citric acid R.