GSO ISO 8968-3:2014
牛奶 氮含量的测定 第3部分：霉菌消解法（常规快速半显微法）

Milk -- Determination of nitrogen content -- Part 3: Block-digestion method (Semi-micro rapid routine method)

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标准号

GSO ISO 8968-3:2014

发布

2014年

发布单位

GSO

当前最新

GSO ISO 8968-3:2014

 

 

适用范围

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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