Chapman Stone Medium (Powder)

Directions per Liter:

Dissolve 202 grams per liter of distilled/deionized (DDI) water, heating with stirring until completely solubilized, adjusting pH as necessary. Dispense into appropriate containers, loosen caps and autoclave for 15 minutes at 121ºC (15psi).


Component g/liter
Ammonium Sulfate 75
Sodium Chloride 55
Gelatin 30
Agar 15
D-Mannitol 10
Pancreatic Digest of Casein 10
Potassium Phosphate, Dibasic 5
Yeast Extract 2
Total: 202g/Liter


Storage and Stability:

Store powdered media at RT. Opened bottles should be capped tightly and kept in a dark, low humidity environment. Prepared media should be kept refrigerated and used within a short period of time.