Sodium Chloride Peptone Buffer, pH 7.0

Sodium Chloride Peptone Buffer, pH 7.0 is recommended as a diluent for non-sterile samples in the pharmaceutical industry, and the application statement references CP, EP and USP. It combines 1.0 g/L peptone and 4.3 g/L sodium chloride with disodium hydrogen phosphate (5.77 g/L) and potassium dihydrogen phosphate (3.56 g/L) to buffer the solution at a final pH of 7.0 ± 0.2.

Suspend 14.6 g in 1 L of purified water, heat with frequent agitation until dissolved and autoclave at 121 °C for 15 minutes.

Sealed shelf life is 5 years, stored in a dark, dry place at 2-25 °C with the bottle cap tightened after use. The product is not for clinical use.