| 新 | 标 题 | 悬赏分 | 发贴人 | 回复/阅读 | 回复人 | 更新时间 |
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请问用HPLC可以检测物质的纯度嘛 | 3 | noey | 12/1448 | abian110 | 2009-08-16 14:51:37 |
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1H NMR分析 | 3 | dfcpkfzx | 4/1746 | dfcpkfzx | 2008-07-17 15:57:14 |
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2-(4-氯甲基苯基)丙酸乙酯C CAS号？ | 3 | zlb882001 | 3/989 | zlb882001 | 2007-11-28 15:45:18 |
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求助 文献 | 3 | 飘逸雪 | 4/643 | 飘逸雪 | 2007-11-14 16:30:05 |
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HMPA/HMPT | 3 | lalasgr | 4/1133 | wukuiwang | 2007-11-08 22:13:06 |
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一个小问题 | 3 | zhoujun695 | 13/868 | zzl821 | 2007-09-23 08:37:24 |
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用什么软件画分子图呢 | 3 | lmxueee | 6/845 | shengyu | 2007-07-04 12:01:11 |
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红外光谱图在2340nm处的吸收峰 | 3 | hawayinan | 7/1865 | peiliang | 2007-05-08 21:18:13 |
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硝基还原的问题 | 3 | ppstay | 14/1105 | ggx | 2007-05-02 15:44:27 |
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酮羰基亚甲基化 | 3 | yanxiao | 14/1927 | zhuj914 | 2007-04-20 08:28:03 |
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重氮化问题 | 3 | min1105 | 12/1166 | zongqing | 2007-04-19 21:19:41 |
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terminal alkene和internal olefin的反应活性到底差在哪里？ | 3 | rrrzzz | 3/928 | okko | 2007-04-04 16:10:06 |
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5,6-dichloro-1-ethyl-2-methyl-benzimidazole怎么翻 | 3 | eelmwood | 7/804 | jiang123 | 2007-03-02 20:46:31 |
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求助！反应热 | 3 | chicken327 | 6/702 | okko | 2007-02-08 16:40:11 |
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[请教] 实验室常见的防护方法！ | 3 | zpf324324 | 3/547 | zpf324324 | 2007-01-29 09:48:56 |
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可逆反应速度问题？ | 3 | cheeray | 6/769 | cheeray | 2007-01-25 10:02:49 |
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西夫碱缩合问题 | 3 | ak825 | 9/1601 | ak825 | 2006-12-09 23:47:41 |
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请教2,6-二甲基吡啶的用途 | 3 | xjk751009 | 2/801 | xjk751009 | 2006-11-20 15:56:41 |
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求助 我想问: 羧酸的羧基和R-NH2反应吗?急等. | 3 | wsxkm | 6/529 | wsxkm | 2006-11-14 14:47:04 |
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求文献（中国化学2004）必给分 | 3 | sharpter | 2/500 | sharpter | 2006-11-06 13:44:55 |