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Overview ISO 16649-1:2018 specifies a horizontal method for the enumeration of β‑glucuronidase‑positive Escherichia coli using a membrane-based colony‑count technique. The method combines a short res…
Overview ISO 16649-2:2001 specifies a horizontal colony-count method for the enumeration of beta‑glucuronidase‑positive Escherichia coli in food and animal feeding stuffs. The method uses a chromogen…
ISO 16649-3:2015 - Overview ISO 16649-3:2015 defines a horizontal microbiological method for the detection and enumeration of β‑glucuronidase‑positive Escherichia coli (E. coli) using a liquid‑medium…