GB 5009.24-2016 Translated English of Chinese Standard. GB5009.24-2016: National Food Safety Standard - Determination of M Aflatoxins in Foods [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 2019 M03 16 - 28 pages This Standard specifies the methods for the determination of aflatoxins M1 and aflatoxins M2 (hereinafter referred to as AFT M1 and AFT M2) in foods. Method I is isotope dilution liquid chromatography - tandem mass spectrometry, which is applicable to the determination of AFT M1 and AFT M2 in milk, milk products and milkcontaining special dietary food. |
Contents
Analytical Procedure | 16 |
Expression of Analytical Result | 17 |
Precision | 18 |
Reagents and Materials | 19 |
Expression of Analytical Result | 20 |
Precision | 21 |
Appendix A Standard Concentration Calibration Method for AFT M1 and AFT | 22 |
Common terms and phrases
accurate to 0.001 acetonitrile to dilute affinity column aflatoxins M1 AFT M2 standard airtight container Ammonium acetate arithmetic mean buffer solution calibration chromatographic peak concentration constant volume content of AFT Determination of Aflatoxin disodium hydrogen phosphate Disodium phosphate evenly place fiber filter paper g accurate glass fiber filter immunoaffinity column initial mobile phase inject internal standard solution isotope internal standard limit of AFT Liquid Chromatogram Liquid Chromatography Reference M1 and AFT M1 internal standard M1 or AFT Mass Spectrogram Method’s detection limit microporous filter milk powder Mixed standard stock mL of acetonitrile mL of methanol mL of water mL volumetric flask mL/min nationally certified standard Potassium chloride Potassium dihydrogen phosphate quantitation limit r/min refer to Appendix Rotary evaporator sample loading sample solution sodium chloride Solid phase extraction special dietary food standard curve standard stock solution standard working solution Sub-ion Scan tandem mass spectrometry test sample test solution vortex weighing-taking µg/kg