GB 1886.233-2016 Translated English of Chinese Standard. GB1886.233-2016: National Food Safety Standard - Food Additive - Vitamin Ehttps://www.chinesestandard.net, 14. apr. 2019 - 19 sider This standard applies to natural vitamin E extracted from by-products of natural edible vegetable oil or synthetic vitamin E, and products prepared from edible vegetable oil. Vitamin E applicable to this standard includes the following tocopherol types: d--tocopherol, dl--tocopherol, d--tocopheryl acetate, dl--tocopheryl acetate, d--tocopheryl acid succinate, dl--tocopheryl acid succinate, d--tocopheryl acetate concentrate and mixed tocopherols concentrate. |
Almindelige termer og sætninger
absolute ethanol according to Formula accurate to 0.02 acid succinate peak acid succinate reference add 50 mL add internal standard amount of sample appropriate amount Asample7 brown volumetric flask calculate the content CH3 CH3 CH3 content according Correction factor determination diethyl ether dilute to 10.0 dissolve to gain ether solution Food Additive gas chromatograph hydroxide solution containing hydroxide standard titration internal standard peak internal standard solution international relative atomic larger than 2.0 milligrams per milliliter milliliter mg/mL mixed tocopherols concentrate mL of absolute mL of water optical rotation potassium ferricyanide Reagents and materials record the chromatogram Reference chromatographic conditions reference solution relative atomic mass relative retention relative standard deviation sample solution separating funnel shake to dissolve sodium hydroxide solution sodium hydroxide standard sodium sulfate solution to dilute standard peak area standard solution concentration standard titration solution succinate reference substance sulfuric acid tocopheryl acetate vitamin vitamin E weigh an appropriate wref