update:

EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016) - added missing standard thanks to Amjad Malik

missing now:
EN ISO 5534:2004/AC:2013 Cheese and processed cheese - Determination of the total solids content (Reference method) - Technical Corrigendum 1 (ISO 5534:2004/Cor 1:2013)
EN ISO 8968-3:2007/AC:2012 Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine method) - Technical Corrigendum 1 (ISO 8968-3:2004/Cor 1:2011)
EN ISO 11816-2:2016 Milk and milk products - Determination of alkaline phosphatase activity - Part 2: Fluorimetric method for cheese (ISO 11816-2:2016)



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