GB 31604.23-2016 Translated English of Chinese Standard. GB31604.23-2016: National Food Safety Standard - Food Contact Materials and Articles - Determination of Diaminomethylbezen in Complex Food Contact Materials and Articleshttps://www.chinesestandard.net, 23 apr. 2018 - 13 sidor This Standard specifies the method for determination of diaminomethylbezen of complex for food packaging material. This Standard applies to the determination of diaminomethylbezen of complex for food packaging material. |
Innehåll
| 3 | |
Scope | 4 |
Instruments and equipment | 5 |
Analytical procedures | 6 |
Analysis results expression | 7 |
Precision | 8 |
Reagents and materials | 9 |
Analysis results expression | 11 |
Appendix A Chromatograms of diaminomethylbezen standard derivatives | 12 |
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acetic acid solution Analytical balance arithmetic mean BLOW nitrogen Chromatogram of diaminomethylbezen chromatographic column chromatographically pure Complex Food Contact complex for food concentration of diaminomethylbezen constant volume derivatives gas chromatography Determination of Diaminomethylbezen diaminomethylbezen 0.01 mg/L diaminomethylbezen derivatives diaminomethylbezen of complex dichloromethane to wash electron capture detector Figure A.1 Food Contact Materials food packaging material g of sodium gas chromatography-mass spectrometry GB/T Glacial acetic acid height or peak independent determination results LET it stand Limits of detection Materials and Articles Migration test milliliters mL of dichloromethane mL/min nearly dry nitrogen until nearly peak area pH meter precision is 0.1 Preparation of standard Qualitative ion retention room temperature separatory funnel shown in Figure SNIP the seal sodium bicarbonate sodium bicarbonate solution Sodium chloride Sodium hydroxide sodium sulfate solution of diaminomethylbezen standard curve standard derivatives gas standard determination solution standard working solution temperature is 60 tert-butyl methyl ether volume is 5.00 volumetric flask