GB/T 5537-2008: Translated English of Chinese Standard. (GBT 5537-2008, GB/T5537-2008, GBT5537-2008): Inspection of grain and oils - Determination of phosphatide content
https://www.chinesestandard.net, Apr 17, 2021 - Technology & Engineering - 10 pages
This Standard specifies the terms and definitions, principle, instruments and utensils, reagents and solutions, operation steps, result calculation and repeatability for the determination of phosphatide content in vegetable oil. This Standard is applicable to vegetable crude oil, degummed oil and refined oil.
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Instruments and utensils
Common terms and phrases
absorbance accordance with GB/T according acetone Analytical balance applicable beaker boiling water bath calculation The phospholipid clean cuvette colorimetric tubes Cool to room crucible determination of phosphatide difference dilute and set Dissolve documents drops electric ensure fats and oils filter paper filtrate GB/T Grain and Oil gram heat hydrazine sulfate solution hydrochloric acid solution Inject Instruments and utensils Leave Measure Method milligrams modified molybdenum blue Number obtained Operation steps parallel Phosphate standard phosphatide content phospholipid content Phospholipid in vegetable Phosphorus content potassium dihydrogen phosphate precipitate Preparation of test Prepare specimens Reagents and solutions reduce Repeatability respectively Result calculation room temperature safety sample scale sediment Send set volume Shake six colorimetric tubes Slowly sodium molybdate standard curve standard solution standard stock solution stopper sulfate solution 6.9 Take terms and definitions test solution Turn vegetable fats vegetable oil Version wash water to dilute Weigh weighing amount zinc oxide