The procedure specified in this standard is applicable to milk and milk powder, buttermilk and buttermilk powder, whey and whey powder. Note: The procedure can be used to check that the pasteurization of the products mentioned is correct.
ONORM DIN 10337-1-1993 history
1993ONORM DIN 10337-1-1993 Determination of Phosphatase activity of milk - Reference method