GB 5009.222-2016 Translated English of Chinese Standard. GB5009.222-2016: National Food Safety Standard - Determination of Citrinin in Foodshttps://www.chinesestandard.net, 29. sep. 2019 - 15 sider This Standard specifies methods for the determination of citrinin in foods. Method 1 of this standard is applicable to the determination of citrinin in rice, corn, pepper and red yeast products; method 2 is applicable to the determination of citrinin in rice, barley, oats and wheat. |
Innhold
3 | |
Scope | 4 |
Instruments and apparatuses | 6 |
Description of the analysis result | 9 |
Others | 10 |
Instruments and apparatuses | 11 |
Description of the analysis result | 12 |
Precision | 13 |
Appendix A Liquid chromatogram of citrinin standard solution | 14 |
Vanlige uttrykk og setninger
add water adjust the pH Analytical balance arithmetic mean C18 column C18 solid phase calculation result centrifuge chloride chromatographic column chromatographic pure Citrinin in Foods Citrinin standard solution clean container column length column temperature concentration conical flask content of citrinin corn Determination of citrinin diameter of 4.6 Disodium hydrogen phosphate drop/s emission wavelength equivalent columns excitation wavelength Figure A.1 flow velocity fluorescence detector g accurate Glass-fiber filter paper gradient elution conditions high performance liquid high-speed homogenizer HPLC injection volume inner diameter liquid chromatogram methanol micrograms mL of phosphoric mL/min mmol/L phosphoric acid mobile phase Monopotassium phosphate PBS buffer solution peak area pepper performance liquid chromatography phase and gradient phase extraction column phosphoric acid solution Potassium chloride r/min reagents red yeast sample solution Sodium chloride sodium hydroxide sodium hydroxide solution solid phase extraction standard curve standard stock solution standard working solution transfer 1.0 mL water to fix-volume wavelength of 500 weigh