• 介绍甲醇甲醇溶液氯仿原料采用共沸蒸馏法制备原甲酸甲酯改进工艺。

    An improved method of synthesizing trimethyl orthoformate through azeotropic distillation by taking sodium methoxide in methanol and chloroform as raw materials has been presented by the author.

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  • 通过比较,发现氯乙烯综合性能优于氯仿

    It is found that the comprehensive properties of trichloroethylene are slightly better than that of chloroform.

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  • 通过比较,发现氯乙烯综合性能优于氯仿

    It is found that the comprehensive properties of trichloroethylene are slightly better than that of chloroform.

    youdao

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