• 本文采用相色谱HP-5毛细管,以邻苯二甲酸物,用氢火焰离子化检测器对甲苄氟菊酯进行定性定量分析。

    A method for the determination of metofluthrin TC by GC with HP-5 capillary column, diisobutyl phthalate as internal standard and FID detector was described.

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  • 以对甲苯磺酸催化剂,对二甲氨基甲酸丁醇为原料合成对二甲氨基苯甲酸丁酯。

    Isobutyl p-(dimethylamino) benzoate was synthesized by the esterification ofp-(dimethylamino)-benzoic acid with isobutanol using p-toluene sulfonic acid as the catalyst.

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  • 以对甲苯磺酸催化剂,对二甲氨基甲酸丁醇为原料合成对二甲氨基苯甲酸丁酯。

    Isobutyl p-(dimethylamino) benzoate was synthesized by the esterification ofp-(dimethylamino)-benzoic acid with isobutanol using p-toluene sulfonic acid as the catalyst.

    youdao

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