ACS Reagent Grade.

Prepared in 18.2 megohms water and sterilized by autoclaving at 15 psi pressure (121°C) for 30 minutes. Ingredients: Casein Digest Peptone: 12 g/l Yeast Extract: 24 g/l Di-Potassium Phosphate: 9.4 g/l Glycerol: 0.4% Dihydrogen Potassium Phosphate: 2 g/l