GB 31604.52-2021 Translated English of Chinese Standard (GB31604.52-2021): National food safety standard - Food-contact materials and articles - Determination of migration of primary aromatic amine
www.ChineseStandard.net, 3 sept 2021 - 23 páginas
This standard specifies the method for determining the migration of 29 aromatic primary amines, in food contact materials and products. This standard applies to the determination of the migration of aromatic primary amines, in food contact materials and products.
29 aromatic primary 29 kinds 4-Aminobiphenyl 4,4'-Methylenedianiline according Accurately acetic acid alternative chemical solvents amine in food Analytical Aniline Appendix aromatic primary amine blank test solution chemical solvent 95 chromatogram of 29 Chromatographically pure Collection column concentration corresponding detected determination deviation Dwell time/ms Fragmentation ethanol 0.01 mg/L expressed in mg/kg Figure C.7 continued filter to filter food contact materials food simulants formic acid injected isooctane kinds of aromatic least 2 significant liquid food m-Phenylenediamine mark mass spectrometry reference materials and products method migration of aromatic migration test min Collection o-Dianisidine Preparation Prepare for determination primary aromatic amine products of sealed quantitative reaction monitoring MRM Reagents refrigerator relative abundance respectively retains at least sample sealed product shown in Table significant digits simulants and alternative single aromatic primary specific migration spectrometry reference conditions standard curve Standard intermediate solution Standard substances standard working solution Table B.1 temperature Total ion chromatogram µg/L