GB 4806.8-2022 Translated English of Chinese Standard (GB4806.8-2022): National Food Safety Standard - Food Contact Paper and Board Materials and Their Productshttps://www.chinesestandard.net, 21. aug. 2022 - 18 sider This document is applicable to food contact paper and board materials and their products. |
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0.1mL of chloropropanol 250mL volumetric flask according to Annex Accurately acetate to set amount board materials carried certificate of reference certified chemical indicators chloropropanol derivatives Chloropropanol mixed internal-standard chloropropanol mixed standard column contact with food corresponding Derivatization determination dissolve ethyl acetate exceed expected Figure filter paper filtrate Food contact paper food or food food simulant internal standard derivative limit mass spectrum Measure meet the requirements micrograms per liter migration test mixed internal-standard standard mixed standard intermediate Modify months obtained paper and board peak area physical and chemical Place prepared prepared according pretreatment processing provisions of GB qualitative quantitative ions raw materials Reagents relative respectively result sample scale Seal and store Selected ion set volume Shelf sodium chloride specimen solution standard intermediate solution standard products standard solution standard stock solution standard working solution stopper Table Take temperature test tube Transfer volumetric flask wash water extraction test Weigh