• 利用氯化铁水合物催化剂乙二醇冰醋酸制备了二乙酸乙二醇,在最佳条件下其收率达92%。

    Ethylene glycol diacetate was synthesized from ethylene glycol and acetic acid with ferric chloride hydrate as catalyst. The yield of ester was 92% under the optimum condition.

    youdao

  • 对四苯磺酸催化剂乙二醇乙酸合成了二乙酸乙二醇

    Ethylene glycol diacetate was synthesis from ethylene glycol and acetic acid by using p-toluene sulphonic acid as catalyst.

    youdao

  • 将硫酸氢作为乙二醇单甲乙酸化合成乙二醇单甲醚乙酸酯催化剂

    Sodium bisulfate was used as the catalyst for esterification of ethylene glycol mono-methyl ether and acetic acid to ethylene glycol monomethyl ether acetate.

    youdao

  • 白酒标样分析中,使得乙醛甲醇乙酸的色谱峰能够分开,现有的聚乙二醇(PEG-20M)的分析方法更为便捷

    The separation of methanol, acetaldehyde and ethyl acetate in the standard liquor sample on the monolithic column is much more convenient than that on PEG-20M columns.

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  • 乙二醇乙酸醋酸做为一种高档溶剂,有着广阔的应用前景

    As a high-grade solvent, 2-ethoxyethanol acetate will have a good future to be used in chemical industry.

    youdao

  • 乙二醇乙酸醋酸做为一种高档溶剂,有着广阔的应用前景

    As a high-grade solvent, 2-ethoxyethanol acetate will have a good future to be used in chemical industry.

    youdao

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