ISO 20541 | IDF 197: 2008 – Milk and milk products – Determination of nitrate content – Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction

ISO 20541 | IDF 197:2008

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Description

This standard 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.

Additional information

Language

FR, EN

Reference

ISO 20541, IDF 197:2008

Date

2008

Type

Hard Copy, PDF

Pages

15