| 新 | 标 题 | 悬赏分 | 发贴人 | 回复/阅读 | 回复人 | 更新时间 |
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求4，4-二氨基三苯甲烷 | lingxing | 1/507 | 夏效益 | 2014-03-20 20:20:36 | |
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如何除去反应物中的内酯？ | 3 | lingxing | 0/297 | 2009-06-04 13:40:59 | |
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THF(含量50%)和正己烷如何分离? | 3 | lingxing | 3/627 | lingxing | 2008-11-29 17:06:51 |
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特戊酸提取 | 3 | lingxing | 4/645 | lingxing | 2008-11-29 17:06:25 |
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如何除去异丙醇中的水份? | 3 | lingxing | 5/1086 | lingxing | 2008-08-19 11:13:40 |
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THF和正己烷如何分离? | 3 | lingxing | 4/693 | lingxing | 2008-06-26 13:04:29 |
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任何分离正戊烷和乙醚? | 3 | lingxing | 3/959 | lingxing | 2008-06-10 09:06:20 |
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任何除去二氯甲烷中的二甲硫醚? | 3 | lingxing | 3/894 | lingxing | 2008-06-10 09:05:23 |
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关于异丙醇的脱水？ | lingxing | 1/517 | rhdhuo | 2007-03-26 12:52:49 | |