SS-EN-ISO-14673-3 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and low injection analysis with in-line dialysis (Routine method) (ISO 14673-3:2004)

SS-EN-ISO-14673-3 - 2004 EDITION - CURRENT
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This part of ISO 14673 ┬░IDF 189 specifies a routine method for the determination of the nitrate and nitrite contents of milk and milk products by cadmium reduction and flow injection analysis (FIA). The method is applicable to hard, semi-hard and soft cheeses of various ages, and processed cheese. The detection limits of the method are 0,5 mg of nitrate ions per kilogram and 1,0 mg of nitrite ions per kilogram. The method is also applicable to whey powder, milk powder and milk-based infant food. NOTE 1 The method closely resembles the FIA method described in reference [2] for the determination of nitrate and nitrite in milk and fluid dairy products. Adaptations were made to allow for the analysis of cheese and to obtain sufficient sensitivity for the determination of low levels of nitrite in cheese and milk-based infant foods. NOTE 2 For determination of nitrite and nitrate following cadmium reduction, use is made of the same colour reaction as described in ISO 14673-1, IDF 189-1.

To find similar documents by classification:

67.100.01 (Milk and milk products in general)

67.100.10 (Milk and processed milk products Including dried milk, condensed milk and evaporated milk)

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Designation Name

SS-EN ISO 14673-3:2004

Revision Level




Publication Date

July 16, 2004



Page Count


International Equivalent

EN ISO 14673-3:2004(IDT); ISO 14673-3:2004(IDT)