Antibiotic Assay Medium B BP

Antibiotic Assay Medium B is used for microbiological assay of Colistimethate sodium sulphate using Bordetella bronchiseptica and Escherichia coli in accordance with British Pharmacopoeia.

Composition*

*Adjusted to suit performance parameters.
Final pH (at 25°C): 7.3 ± 0.1

g/L: Suspend 44.77 g (the equivalent weight of dehydrated medium per litre) of the powder in 1000 mL purified / distilled water with 10 mL polysorbate 80.