• 采用式间歇甲酯化反应时,硫酸适宜催化剂

    When a stirred tank batch process is used, the appropriate catalyst is sulphuric acid.

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  • 大约5升的硫酸加进100亳升的样本中,混匀。

    Add 5 ml. concentrated sulphuric acid to 100 ml. water sample and shake well.

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  • 分别研究硫酸四正丁酯两催化剂对产率的影响

    The different effect between tetra-n-butyl titanate and sulfuric acid was studied.

    youdao

  • 分别研究硫酸四正丁酯两催化剂对产率的影响

    The different effect between tetra-n-butyl titanate and sulfuric acid was studied.

    youdao

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