International Standard
ISO 20541:2008
Milk and milk products — Determination of nitrate content — Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction
Reference number
ISO 20541:2008
Edition 1
International Standard
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ISO 20541:2008
Published (Edition 1, 2008)
This standard was last reviewed and confirmed in 2017. Therefore this version remains current.

ISO 20541:2008

ISO 20541:2008
CHF 96
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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.

General information

  •  : Published
     : 2008-09
    : Close of review [90.60]
  •  : 1
     : 15
  • ISO/TC 34/SC 5
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