ISO 14501 pdf download Milk and milk powder — Determination of aflatoxin M 1 content — Clean-up by immunoaffinity chromatography and determination by high-performance liquid chromatography Aflatoxin Mh is extracted by passing the test portion through an immunoaffinity column that containsspecific antibodies bound onto a solid support material. As the sample passes through the column, the antibodies are selectively bound...