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Homepage>ISO Standards>ISO 20541:2008[IDF 197:2008] Milk and milk products — Determination of nitrate content — Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction
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download between 0-24 hoursReleased: 2008-09
ISO 20541:2008[IDF 197:2008] Milk and milk products — Determination of nitrate content — Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction

ISO 20541:2008[IDF 197:2008]

Milk and milk products — Determination of nitrate content — Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction

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Standard´s number:ISO 20541:2008[IDF 197:2008]
Pages:15
Edition:1
Released:2008-09
DESCRIPTION

ISO 20541:2008[IDF 197:2008]


ISO 20541|IDF 197:2008 specifies a method for the determination of the nitrate content of milk and milk products by molecular-absorption spectrometry after Griess reaction (preceded by enzymatic reduction). The method is, in particular, applicable to whole, partly skimmed, skimmed and dried milk, hard, semi-hard and soft cheeses, processed cheese, whey cheese, caseins, caseinates, dried whey and milk protein concentrates. The method can be used at contents corresponding to a measured concentration in the sample solution (with blank subtracted) of more than 0,2 mg/l.