| 新 | 标 题 | 悬赏分 | 发贴人 | 回复/阅读 | 回复人 | 更新时间 |
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求助：氢过氧化叔丁基除水tert-Butyl hydroperoxide | 3 | leung0921 | 5/972 | fenganda | 2008-09-03 12:00:25 |
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求助：格氏试剂的制备醇 | 3 | leung0921 | 8/2011 | leung0921 | 2008-06-30 15:26:31 |
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硫酸含量测定 | 3 | leung0921 | 7/3708 | lewisye | 2008-05-18 10:00:18 |
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请教：无水硫酸钠 | 3 | leung0921 | 3/784 | leung0921 | 2006-09-15 00:30:11 |
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大批量硫酸稀释方法 | 3 | leung0921 | 14/2074 | leung0921 | 2006-09-15 00:29:48 |
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减压蒸馏? | 3 | leung0921 | 3/1125 | leung0921 | 2006-07-27 12:45:27 |
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吗啉;甲苯最好用什么干燥剂? | 3 | leung0921 | 7/1841 | leung0921 | 2006-07-27 12:44:53 |
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吗啉耐碱性？ | 3 | leung0921 | 4/1342 | leung0921 | 2006-07-17 18:38:06 |