This standard replaces GB/T 5009.119-2003 “Determination of diaminotoluene in composite food packaging bag”.

Compared with GB/T 5009.119-2003, the major changes of this standard are as follows:

——the standard’s name has been revised to “National food safety standard - Food contact materials and articles - Determination of diaminotoluene in composite food contact materials”;

——the migration test conditions have been revised;

——the choice of derivatization reagent has been revised;

——the choice of chromatographic column has been revised;

——the gas chromatography-mass spectrometry has been increased.