The document specifies an enzymatic method for the determination of the nitrite and nitrate content of milk products using a color test.
DIN 10476:2001 history
2008DIN EN ISO 20541:2008 Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction (ISO 20541:2008); German version EN ISO 20541:2008
2001DIN 10476:2001 Determination of nitrite and nitrate content of milk products - Enzymatic method (color test)