GB 5009.202-2016 Translated English of Chinese Standard. GB5009.202-2016: National Food Safety Standard - Determination of Polar Components (PC) in Edible Oils
https://www.chinesestandard.net, 14 сент. 2019 г. - Всего страниц: 19
This Standard specifies the determination method for polar components (PC) in edible animal and vegetable oils. This Standard is applicable to the determination of polar components (PC) content in various edible animal and vegetable oils.
250 mL flask 500 mL round-bottom accordance accurate to 0.001 adsorbent Analytical Appendix arithmetic mean value clean completely Components and Non-polar components and polar condition of negative constant-temperature drying oven contains content of polar controlled desiccator to cool Determination of Polar determination results obtained developer dissolve edible oils elution exceed expressed in g fats sample Figure filtration firstly flash column chromatography flash separation preparative glass chromatographic column glass collection bottle glass desiccator higher independent determination results lower end mass Method mL of petroleum mL round-bottom flask mL small mouth mobile phase pipeline negative pressure non-polar components obtained under repeatability oils and fats operation petroleum ether piston valve Place the 250 polar components preparative chromatographic column preparative flash column Reagents repeatability condition rinse room temperature sea sand separation effect separation preparative chromatographic silica gel solvent to dryness Standard thin-layer chromatographic plate Trichloromethane usage weigh