This standard replaces GB/T 23296.12-2009 “Food contact materials - Polymeric materials - Determination of 11-aminoundecanoic acid in food simulants - High performance liquid chromatography”.

Compared with GB /T 23296.12-2009, the major changes of this standard are as follows:

——the name of this standard has been revised to “National food safety standard - Food contact materials and articles - Determination of the migration amount of 11-aminoundecanoic acid”;

——the “Preparation of food simulant test solution” has been revised;

——the “expression of analysis results” has been revised.