This standard describes a method for the qualitative determination of any test activity of alkaline phosphatase in milk that has undergone a heat treatment. Notes 1. For general instructions, consult NPR 3749. 2. The quantitative determination of the phosphatase activity is described in NEN 3142.
NEN 6851-1988 history
1988NEN 6851-1988 Milk Detection of phosphatase activity