GB 31604.26-2016: Translated English of Chinese Standard. GB31604.26-2016: National Food Safety Standard - Food contact materials and products - Determination of epichlorohydrin and determination of migration
https://www.chinesestandard.net, 24 juni 2018 - 23 sidor
This standard is applicable to the determination of epichlorohydrin in food contact materials and products (plastics, paints, paper and cardboard) and the determination of the migration of epichlorohydrin. The high performance liquid chromatography (HPLC) is suitable for the determination of epichlorohydrin in food contact materials and products (plastics, coatings, paper products). The gas chromatography-mass spectrometry is suitable for the determination of the migration of epichlorohydrin in food contact materials and products (plastics, coatings, paper and cardboard).
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Instruments and equipment
Expression of the analytic result
Appendix A Micro distillation unit
Appendix B Liquid chromatogram of DAS derivatives of epichlorohydrin
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20mL sample bottle 50mL volumetric flask acetonitrile acidic and alcohol acidic food simulants add oil based alcohol and oil-based alcohol food simulants aluminum cap based food simulants cation exchange resin concentration of epichlorohydrin derivatives of epichlorohydrin Determination of epichlorohydrin dilute to scale distillate epichlorohydrin derivatives epichlorohydrin in alcohol epichlorohydrin in food epichlorohydrin in water-based Epichlorohydrin intermediate Epichlorohydrin standard intermediate epichlorohydrin standard reserve figure A.1 food contact materials food simulant solution food simulants 50mg/L gas chromatography-mass spectrometry GC-MS intermediate for water-based limit of epichlorohydrin materials and products methanol mg/kg Micro-distillation unit migration of epichlorohydrin oil based food oil-based food simulants peak area Polytetrafluoroethylene precision to 0.1mg Reagents Seal to store seal with spacer separating funnel series of standard simulants 5mg/kg solution 5mg/mL solution for oil spacer and aluminum standard curve standard reserve solution standard substance certificate standard use solution standard working solution substance certified sunflower seed oil unit is milligram water-based and acidic