GB 31604.41-2016 Translated English of Chinese Standard. GB31604.41-2016: National Food Safety Standard - Food Contact Materials and Articles - Determination of Stibium MigrationThis Standard specifies the graphite furnace atomic absorption spectrometry, atomic fluorescence spectrometry, inductively coupled plasma mass spectrometry, inductively coupled plasma emission spectrometry, and malachite green spectrophotometry for the determination of stibium migration after food contact materials and articles are soaked in food simulants. This Standard is applicable to the determination of stibium migration in food contact materials and articles. |
Contents
Foreword | 4 |
Scope | 5 |
Instruments and equipment | 7 |
Expression of analysis results | 8 |
Instruments and equipment | 10 |
Expression of analysis results | 11 |
Reagents and materials | 12 |
Instruments and equipment | 13 |
Expression of analysis results | 14 |
Common terms and phrases
according to GB acid solution 1+5 Add 1mL add water ammonium dihydrogen phosphate antimony arithmetic mean atomic absorption spectrometer atomic fluorescence spectrometry cerium citrate concentration of stibium coupled plasma emission determination of stibium dilute to 100mL dissolve in water food contact materials food simulant test furnace atomic absorption graphite furnace atomic hollow cathode lamp hydrochloric acid solution independent determinations obtained inductively coupled plasma isoamyl acetate materials and articles Method mL of hydrochloric mL of water nitric acid nitrite solution 20 phosphate solution 20 pipette plasma emission spectrometry plasma mass Potassium borohydride program of graphite Reference heating program sample solution separatory funnel Set volume simulant test solution sodium citrate sodium nitrite solution sodium sulfate solution 20 g/L solution 5+1 solution 500 mg/L standard curve standard series solution standard stock solution standard substance certificate standard use solution stannous chloride stibium in food stibium migration Stibium standard stock stock solution 500 Sulfuric acid thiourea