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This edition cancels and replaces the IDF 51B:1991
The guidance is applicable to the counting of somatic cells in raw cow milk
provided the product is diluted so as to obtain a mass fraction of between 4 % and 6 % fat
If the limits mentioned above are exceeded in more cases than expected
ISO/TS 27106 | IDF/RM 217: 2009 - Cheese - Determination of nisin A content by LC-MS and LC-MS-MS Publication Year - 2012 This edition cancels and replacesThis standard specifies a method for the quantitative determination of the nisin A content in cheese. The method is suitable for measuring low levels of nisin A with a quantification limit of 1 mg kg. Standard only available in English.
