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||Melk en zuivelproducten
NEN-EN-ISO 8968-1 specifies a method for the determination of the nitrogen content and crude protein calculation of milk and milk products by the Kjeldahl principle, using traditional and block digestion methods. The methods are applicable to: - liquid cow?s (whole, partially skimmed or skimmed milk), goat?s and sheep?s whole milk; - hard, semi-hard and processed cheese; - dried milk and dried milk products (including milk-based infant formulae, milk protein concentrate, whey protein concentrate, casein and caseinate). The methods are not applicable to samples containing ammonium caseinate.