SS-EN-ISO-8968-3 › Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine method) (ISO 8968-3:2004)
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This part of ISO 8968 / IDF 20 specifies a method for the determination of the nitrogen content of liquid, whole or skimmed milk. It concerns a semi-micro rapid routine method following the block-digestion principle. NOTE The method is a more rapid method than that described in ISO 8968-1?IDF 20-1 and ISO 8968-2?IDF 20-2 since the digestion time is reduced by taking a lower mass of test portion and using hydrogen peroxide together with sulfuric acid and a catalyst in the digestion.
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SS-EN ISO 8968-3:2007
June 28, 2007
EN ISO 8968-3:2007(IDT); ISO 8968-3:2004(IDT)