| 新 | 标 题 | 悬赏分 | 发贴人 | 回复/阅读 | 回复人 | 更新时间 |
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用氯化氢与乙醇可否替代氯乙醇？ | 3 | zlb882001 | 10/1239 | ky3000t | 2008-08-21 00:01:56 |
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求助两篇文献！ | 3 | zlb882001 | 3/713 | zlb882001 | 2008-06-24 21:19:48 |
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巯基化合物的鉴别 | 3 | zlb882001 | 3/1764 | admin | 2008-06-24 19:06:33 |
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氯化亚砜溶剂 | 3 | zlb882001 | 2/767 | zlb882001 | 2008-06-24 14:36:41 |
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元素分析技术 | 3 | zlb882001 | 4/576 | zlb882001 | 2008-06-24 13:40:46 |
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含量只达80％能测红外吗？ | 3 | zlb882001 | 5/875 | zlb882001 | 2008-06-19 11:37:15 |
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抗心绞痛药物 | 3 | zlb882001 | 2/492 | zlb882001 | 2008-06-14 15:55:14 |
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这个化合物的属性？！ | 3 | zlb882001 | 3/472 | zlb882001 | 2008-06-14 11:11:12 |
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0.1N碘滴定液与0.1mol/L碘滴定液的换算？ | 3 | zlb882001 | 7/2610 | zlb882001 | 2008-06-14 08:27:43 |
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标定液的概念？ | 3 | zlb882001 | 6/758 | mengniu | 2008-06-11 14:40:24 |
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脱甲基试剂配比 | 3 | zlb882001 | 15/1802 | zlb882001 | 2008-06-10 13:06:12 |
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柠檬酸醋酐试液的配制 | 3 | zlb882001 | 2/501 | zlb882001 | 2008-05-25 09:58:00 |
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水溶性物质可不可以做薄层？ | 3 | zlb882001 | 3/741 | zlb882001 | 2008-05-21 11:48:38 |
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巯基化合物的属性 | 3 | zlb882001 | 4/678 | zlb882001 | 2008-05-15 15:01:59 |
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巯基化合物是硫脲的衍生物吗？ | 3 | zlb882001 | 2/702 | zlb882001 | 2008-05-15 08:52:55 |
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哪位大侠知道中检所标准品一般含量能达到多少？ | 3 | zlb882001 | 2/568 | zlb882001 | 2008-05-12 08:38:59 |
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甲磺酸与三氯化磷反应也应该生成酰氯吧！ | 3 | zlb882001 | 2/500 | zlb882001 | 2008-05-11 12:20:21 |
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标准品.对照品 | 3 | zlb882001 | 3/748 | zlb882001 | 2008-05-01 14:58:57 |
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对甲氧基苯甲酰氯在水中能反应吗？ | 3 | zlb882001 | 6/1097 | zlb882001 | 2008-04-23 19:46:22 |
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鉴别甲基苯基氧基3种基团的专属显色剂 | 3 | zlb882001 | 0/759 | 2008-04-23 14:05:45 | |