GB 31604.43-2016: Translated English of Chinese Standard. GB31604.43-2016: National food safety standard - Food contact materials and products - Determination of migration quantity of ethylenediamine and hexamethylene diamine
https://www.chinesestandard.net, 2018 M05 5 - 14 pages
This standard specifies the determination methods for gas chromatography of migration quantity of ethylenediamine and hexamethylene diamine in food contact materials and products. This standard applies to the determination of migration quantity of ethylenediamine and ethylenediamine in food contact materials and products.
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Instrument and equipment
Analysis results expression
Appendix A Chromatograms of ethylenediamine and hexamethylene diamine derivatives in food simulant standard solution
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10mL glass bottle 1mL of acetic 4mL of diethyl 50mL volumetric flask accurate to 0.1mg Accurately WEIGH 25mg acetic acid solution acidic food ADD 1mL alcoholic food simulants Ammonia blank test solution Chromatogram of ethylenediamine COVER and SEAL derivative hexamethylene diamine derivative propane diamine diamine derivative Figure diamine stock solution diethyl ether ethanol solution 95 ether to rinse ethylenediamine 12.0mg/L ethylenediamine and hexamethylene ethylenediamine derivative propane ethylenediamine or hexamethylene Ethylenediamine stock solution flame ionization detector food contact materials food simulant test gas chromatography Glacial acetic acid hexamethylene diamine 4.00mg/L hexamethylene diamine derivative Hexamethylene diamine stock mass fraction materials and products migration quantity migration test MIX it uniformly oil-based food simulants prepared by toluene prepared by water propane diamine derivative propane diamine stock quantity of ethylenediamine simulant test solution Sodium hydroxide sodium sulfate standard working solution stock solution prepared value ethylenediamine derivative volume fraction water to dilute Water-based WEIGH 25mg accurate