This standard replaces GB/T 23296.7-2009 “Food contact materials – Determination of epichlorohydrin in plastics – High performance liquid chromatography” and SN/T 2897-2011 “Food contact materials for export - metal materials - Determination of epichlorohydrin in coating – Gas chromatography”.

Compared with GB/T 23296.7-2009, the major changes of this standard are as follows:

——the name of this standard has been modified to “National food safety standard - Food contact materials and articles - Determinations of epichlorohydrin and migration amount of epichlorohydrin”;

——the scope of application has been added;

——the method for sample preparation of coating has been modified;

——the method for determination of migration amount of epichlorohydrin in food contact materials and articles has been added.