GB 31604.46-2016 Translated English of Chinese Standard. GB 31604.46-2016: National Food Safety Standard - Food contact materials and products - Determination of free phenol and its migrationhttps://www.chinesestandard.net, 2017. 8. 11. - 10페이지 This Standard specifies the determination method for free phenol and its migration in food contact materials and products (water soluble epoxy resin coatings, epoxy phenolic coatings, polycarbonates). This Standard applies to the determination of free phenol and its migration in food contact materials and products (water soluble epoxy resin coatings, epoxy phenolic coatings, polycarbonates). |
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100 mL volumetric according to GB/T ADD 50 mL Ammonia Ammonium chloride analysis of hygienic bromate Bromine standard solution Determination of free DILUTE to 50 DILUTE with water DISSOLVE with distilled distilled water epoxy phenolic coatings Food contact materials food simulant test free phenol g accurate g of potassium grade I water guarantee reagent Hydrochloric acid iodine materials and products mg/L migration in food migration test mL of water mL volumetric flask mol/L obtained food simulant phenol concentration Phenol series standard Phenol standard stock PIPETTE 100 mL polycarbonates Potassium bromate Potassium bromide Potassium ferricyanide products water soluble provisions of GB sample simulant test solution sodium hydroxide solution Sodium thiosulfate Na2S2O3 sodium thiosulfate standard soluble epoxy resin solution 100 g/L solution c(Na2S2O3 specified in GB/T standard solution consumed standard substance standard titration solution standard working solution thiosulfate standard solution Trichloromethane CHCl3 water and DILUTE water soluble epoxy Water-based food simulants WEIGH 1.0 g