Historical
ISO 8552:2004
Milk - Estimation of psychrotrophic microorganisms - Colony-count technique at 21 degrees C (Rapid method)
ISO 8552|IDF 132:2004 specifies a rapid method for estimating the number of psychrotrophic microorganisms by means of the colony-count technique at 21 °C.
The method is applicable to raw and pasteurized milk.
International Organization for Standardization [iso]

