NA 057
DIN Standards Committee Food and Agricultural Products
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ISO 8968-2
ISO 8968-2
Milk - Determination of nitrogen content - Part 2: Block-digestion method (Macro method)
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Milch - Bestimmung des Stickstoffgehaltes - Teil 2: Blockaufschluss-Verfahren (Makroverfahren)
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NA 057-05-13 AA - Milk and milk products - Methods of sampling and analysis