GB 31604.15-2016 Translated English of Chinese Standard. GB31604.15-2016: National food safety standard - Food contact materials and articles - Determination of migration of 2,4,6-triamino-1,3,5-triazine (melamine)
https://www.chinesestandard.net, 2018 M04 23 - 11 pages
This Standard specifies the method for the determination of migration of melamine in food contact materials and articles (melamine-formaldehyde resins and their moldings).This Standard applies to the high performance liquid chromatography for the determination of migration of melamine in food contact materials and articles (melamine-formaldehyde resins and their moldings).
accordance with GB acidic and alcoholic acidic food simulants add to scale alcoholic food simulants articles melamine-formaldehyde resins bath at 70°C buffer solution chromatogram of melamine chromatograph to carry concentrations of melamine Determination of migration Figure A.1 food contact materials food simulant soak food simulant test GB/T high performance liquid instrument reference conditions isopropyl alcohol solution liquid chromatography materials and articles melamine in acidic melamine in food melamine in water-based melamine standard intermediate membrane 0.22 µm Methyl alcohol mg/kg microporous membrane 0.22 migration of melamine mL of isopropyl mL of water obtain test solutions oil-based food simulants organic phase microporous performance liquid chromatograph phase microporous membrane Preparation of food Reagents simulant soak solutions simulant test solutions simulants 10 mg/L Sodium dihydrogen phosphate Sodium hydroxide Standard chromatogram standard intermediate solution Standard substance standard working curves standard working solutions test solution obtained thermostatic water bath ultrasonic extraction water-based food simulant µm to obtain