BM1275 – Iron Sulphite Agar

BM1275 – Iron Sulphite Agar

This is a modified Cameron Sulphite Agar with a reduced concentration of sodium sulphite from 0.1% to 0.05% to allow the growth of the more sulphite sensitive strains of clostridia. A positive result is indicated by distinct black growth throughout the media, however, this blackening is only presumptive evidence of clostridial growth. Confirmation tests must be carried out to identify the organism growing on the medium.

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Organisms Ref. No Result
Clostridium perfringens NCTC 8237 Growth / Blackening
Escherichia coli NCTC 12241 Growth