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小洋靓靓

铜虫 (初入文坛)

[求助] 求助 关于薄层色谱碘蒸汽显色稳定性的问题

近来在做薄层检查杂质,其中一个杂质显色时显时不显,我用的显色方法是:碘蒸汽显色后喷1%的淀粉用以增加显色灵敏度,不知道是什么原因,照结构来看那个杂质含有氮原子应该来说显色应该灵敏度挺高的,求大神啊!
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天下无双ts

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【答案】应助回帖

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小洋靓靓: 金币+1 2013-07-02 17:05:11
PSA: 金币+1, 3u 2013-07-02 17:10:03
含氮原子可以用碘化铋钾显色看看
2楼2013-07-02 16:28:40
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小洋靓靓

铜虫 (初入文坛)

引用回帖:
2楼: Originally posted by 天下无双ts at 2013-07-02 16:28:40
含氮原子可以用碘化铋钾显色看看

我是同时检查两个杂质,另一个不含有氮,现在方法已经建好,就是做验证很痛苦 时显时不显
3楼2013-07-02 17:05:00
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