3/16/2023 0 Comments Ethyl acetate molar massChromatographic conditions and system suitability test a capillary column with 6% cyanopropylphenyl-94% dimethylsiloxane as stationary liquid (or similar polarity), starting at 90☌ for 5 minutes, the temperature was increased to 240☌ at a rate of 286C per minute for 2 minutes at an inlet temperature of 260☌ and a detector temperature of 280☌. Measured by gas chromatography (General 0521). Should not exceed 0832 (General rule first Law 2). After drying it for 1 hour at 105X, the remaining residue should not pass 0. Take 20.0 of this product, put it in a constant weight evaporation dish, and then evaporate it on a water bath. Take 2.0ml of this product, put it in a 25ml plug Cuvette, Add 10ml sulfuric acid, plug and shake, let stand for 15 minutes, and do not develop color. Consumption of sodium hydroxide titration solution (O.lmo l/L) should not exceed 0.10 ml. Take 2.0ml of this product, put it in an Erlenmeyer flask, Add 10ml of neutral ethanol and 2 drops of phenolphthalein indicator solution, shake well, and add sodium hydroxide titration solution (O. Take 1.0ml of this product, add water 1 5M l, mix well, check according to law (General rule 0901 and general rule 0902), the solution should be clear and colorless. Solubility, halogenated hydrocarbons, aromatic hydrocarbons and other organic solvents are miscible, slightly soluble in water.Ĭan be used to dissolve nitrocellulose, ink, grease, etc., can also be used for paint, artificial leather, plastic products, dyes, drugs and spices and other raw materialsĮTHYL ACETATE CAPILLARY GRADE - Risk and Safety May be moisture sensitive.Ĭolorless, flammable liquid with fruit flavor. Incompatible with various plastics, strong oxidizing agents.
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