Description
Amyl Listeria Fraser Supplement, SP 422, is a sterile, liquid supplement containing 50 grams per litre of Ferric Ammonium Citrate, packaged in 5ml aliquots, each aliquot containing 0.25ml of the chemical.
The supplement is a necessary addition to Amyl Listeria Fraser Broth, AM 91, so as to complete the formulation, two 5ml aliquots of sterile supplement (0.5gm of Ferric Ammonium Citrate) being required for each litre of sterilised medium. Smaller volumes of media can be prepared by adding 1ml of supplement to each sterile100 ml of Listeria Fraser Broth, AM 91, mixing thoroughly and aseptically dispensing into sterile containers in required volumes.