GB 31604.11-2016 Translated English of Chinese Standard. GB31604.11-2016: National Food Safety Standard - Food Contact Materials and Articles - Determination of Migration of 1,3-benzenedimethanaminehttps://www.chinesestandard.net, 26. jan. 2018 - 11 strani This Standard specifies the high-performance liquid chromatography method for determination of migration of 1,3-benzenedimethanamine. This Standard is applicable to the determination of migration of 1,3-benzenedimethanamine in food contact materials and articles. |
Vsebina
| 3 | |
Scope | 4 |
Instruments and equipment | 7 |
Analysis steps | 8 |
Expression of analysis results | 9 |
Precision | 10 |
Annex A Liquid chromatogram | 11 |
Pogosti izrazi in povedi
1,3-benzenedimethylamine standard 100 mL volumetric 5-mL tube acetic acid acetic acid solution Acetone acidic food simulants add 5 mol/L alcohol food simulants benzenedimethanamine Borate buffer solution boric acid buffer darkness at 5°C derivatization Determination of Migration Dilute to scale dissolve with water Drop 5 mol/L fluorescence detector food contact materials food simulant test food simulants Pipette GB/T graduated pipette heptane high performance liquid high-performance liquid chromatography hydroxide solution 3.2.4 liquid chromatography injection Materials and Articles methanol mg/L mL of 1,3-benzenedimethylamine mL of borate mL of tetrahydrofuran mL volumetric flask mobile phase boric mol/L sodium hydroxide nearest to 0.01 oil-based food simulants oscillating 5min performance liquid chromatography Pipette 2.0 mL pipette…for high performance placing still 15min reagents rest shall follow separating funnels set volume simulant test solution sodium hydroxide solution Sodium tetraborate standard curve standard stock solution standard working solution volume of sodium volume to scale water-based acidic Weigh 50 mg