ISO 11866-1:2005

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ISO 11866-1:2005 is an international standard that specifies a method for counting presumptive Escherichia coli and coliforms in milk and milk products. It utilizes a culture technique involving a liquid medium with 4-methylumbelliferyl-beta-D-glucuronide (MUG) and the most probable number (MPN) technique to determine the count per gram or milliliter.