EMB agar is characterized by?the presence of a combination of the two dyes eosin and methylene blue in the ratio of 6:1. Gram-negative bacteria that ferment the lactose produce acid which lowers the pH. This encourages dye absorption by the colonies and turns the colonies dark purple as the acid acts upon the dyes.
Uniformity of Dosage Units
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Uniformity of Dosage Units is a specialised analytical laboratory service that assesses whether individual dosage units contain sufficiently consis...



































