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 contenthttps://www.chinesestandard.net, 2021 M04 17 - 10 páginas 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. |
Contenido
| 3 | |
Scope | 4 |
Instruments and utensils | 5 |
Operation steps | 6 |
Result calculation | 7 |
Repeatability | 8 |
Términos y frases comunes
100mL volumetric flask 2mL of sodium accordance with GB/T acid solution 6.11 adjust zero point Analytical balance arithmetic mean blank to adjust boiling water bath Calculate its content calculation The phospholipid clean cuvette Cool to room crucible crude oil degummed oil determination of phosphatide dilute and set Dissolve Erlenmeyer flask filter paper filtrate graduation value Grain and Oil heat for 10min hydrazine sulfate solution hydrochloric acid solution Inspection of vegetable Instruments and utensils milligrams modified molybdate solution 6.8 molybdenum blue Number Operation steps Phosphate standard phosphatide content phospholipid content Phospholipid in vegetable phosphoric acid pipette 10mL Pipette the solution potassium dihydrogen phosphate precipitate Principle Phospholipid Put the colorimetric Result calculation room temperature sample set volume Shake six colorimetric tubes sodium molybdate solution specimen is calculated spectrophotometer at 650nm standard curve standard stock solution stopper sulfate solution 6.9 terms and definitions test solution vegetable oil water to dilute zinc oxide