GB 5009.265-2016 Translated English of Chinese Standard. (GB5009.265-2016): National food safety standard - Determination of polycyclic aromatic hydrocarbons in foodshttps://www.chinesestandard.net, 30 nov 2018 - 16 pagine This standard specifies the liquid chromatography for determining polycyclic aromatic hydrocarbons in food (naphthalene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benzo[]anthracene, chrysene, benzo[b]fluoranthene, benzo[k]fluoranthene, benzo[]pyrene, indeno[1,2,3-c,d]pyrene, dibenzo[]anthracene and benzo[g,h,i]perylene), as well as the gas chromatography-mass spectrometry for determining the polycyclic aromatic hydrocarbons in foods (naphthalene, acenaphthylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benzo[]anthracene, chrysene, benzo[b]fluoranthene, benzo[k]fluoranthene, benzo[]pyrene, indeno[1,2,3-c,d]pyrene, dibenzo[]anthracene and benzo[g,h,i]perylene). |
Sommario
| 3 | |
Instruments and equipment | 5 |
Expression of analytical results | 9 |
Principle | 10 |
Expression of analytical results | 13 |
Appendix B Gas chromatographymass spectrometry total ion chromatogram of polycyclic aromatic hydrocarbon standard solution | 16 |
Parole e frasi comuni
50 mL stoppered accurate to 0.01 Acenaphthene acetonitrile-saturated n-hexane allowable deviation Analytical procedures Anthracene arithmetic mean aromatic hydrocarbon standard benzo[b]fluoranthene benzo[g,h,i]perylene benzo[k]fluoranthene Blank test calculated according chromatogram of polycyclic Chromatographically pure chromatography column chrysene COMBINE the extract constant volume content of polycyclic corresponding peak area Detection limit determine the corresponding Diatomaceous earth dichloromethane dryness emission wavelengths Figure A.1 Florisil solid-phase extraction fluoranthene Fluorene g accurate gas chromatography-mass spectrometry glass centrifuge tube heart-shaped bottle hexane High-performance liquid chromatography hydrocarbon standard solution hydrocarbons in foods limit and limit limit of quantification Liquid chromatogram Magnesium sulfate mass concentration micrograms per kilogram MIX it uniformly mL of acetonitrile mL of n-hexane mL stoppered glass PERFORM nitrogen blowing Phenanthrene PIPETTE polycyclic aromatic hydrocarbons Principle The polycyclic pyrene r/min relative abundance Selective ion series working solution shown in Table solid-phase extraction column solvent standard series standard working solution stoppered glass centrifuge tested substance volume reach VORTEX