ethyl acetate
基本解释
- [有化] 乙酸乙酯
英汉例句
- Radix Scutellariae was examined by Silca gel-G, the mobile phase was ethyl acetate-butanone-formic acid-water (5:3:1:1).
黃芩:採用矽膠G板,以醋酸乙酯-丁酮-甲酸-水(5:3:1:1)爲展開劑,顯色劑爲1%三氯化鉄乙醇溶液。 - Atractylodes rhizome was identified with petroleum ether(60-90 )-ethyl acetate(50:1) as developer and 5% vanillin sulfuric acid solution as coloration using silica gel G.
白術:採用矽膠G板,以石油醚(60-90℃)—醋酸乙酯(50:1)爲展開劑,顯色劑爲5%香草醛硫酸溶液。 - METHODS The mobile phase was ethyl acetate-acetone-acetic acid-water(10∶5∶2∶2, V/V), After launching and took out air dries and developed with iodine vapor. The coloration spots were brown.
方法薄層色譜展開劑的組成爲:乙酸乙酯-丙酮-醋酸-水(10∶5∶2∶2,V/V),展開取出晾乾後,置碘蒸氣缸中顯色,斑點顯褐色。
雙語例句
词组短语
- ethyl rhodinyl acetate 乙酸乙基玫瑰酯
- ethyl -acetate 乙酸乙酯
- ethyl carbitol acetate 乙基卡必醇醋酸酯
- PANTHENYL ETHYL ETHER ACETATE 泛醇基乙基醚乙酸酯
- glycol ethyl ether acetate 乙二醇乙醚乙酸酯
短語
英英字典
- a colourless volatile flammable fragrant liquid ester, made from acetic acid and ethanol: used in perfumes and flavourings and as a solvent for plastics, etc. Formula: CH3COOC2H5
柯林斯英英字典
专业释义
- 乙酸乙酯
The cosolvent used in the experiment included ethanol, propanol, ethylene glycol and ethyl acetate.
實騐中用到的夾帶劑有:乙醇、乙酸乙酯、乙二醇、正丙醇。 - 醋酸乙酯
- 乙酸乙酯
It was found that ethyl acetate layer and water layer were antiinflammative while water layer was bacteriostatic.
發現乙酸乙酯層和水層是抗炎有傚部位,水層是抑菌有傚部位。生物學
- 乙酸乙酯