r******0 发帖数: 2753 | 1 做了个反应。反应完了,一打核磁,氢谱没峰,改碳谱,还是只有溶剂峰,咣当! NND
,没加无机盐啊! 我的苯环怎么都不见了!! 看来该查一查皇历,这个月是不是不宜做
实验。 |
t******l 发帖数: 3060 | 2 product is too volatile. lost in rotovap?
NND
【在 r******0 的大作中提到】![](/moin_static193/solenoid/img/up.png) : 做了个反应。反应完了,一打核磁,氢谱没峰,改碳谱,还是只有溶剂峰,咣当! NND : ,没加无机盐啊! 我的苯环怎么都不见了!! 看来该查一查皇历,这个月是不是不宜做 : 实验。
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s****e 发帖数: 2934 | 3 感觉是NMR有问题。做个红外试试。
NND
【在 r******0 的大作中提到】![](/moin_static193/solenoid/img/up.png) : 做了个反应。反应完了,一打核磁,氢谱没峰,改碳谱,还是只有溶剂峰,咣当! NND : ,没加无机盐啊! 我的苯环怎么都不见了!! 看来该查一查皇历,这个月是不是不宜做 : 实验。
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r******0 发帖数: 2753 | 4 The product is solid. Actually, I should say that after rotovap I put the
solid into NMR tube to see if it is product.
【在 t******l 的大作中提到】![](/moin_static193/solenoid/img/up.png) : product is too volatile. lost in rotovap? : : NND
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r******0 发帖数: 2753 | 5 Other people's samples were OK. Anyway, I just put a hell lot into the NMR
tube and finally I saw some ugly H peaks but still no C. I told my boss that
God is telling me that I should take a vacation.
【在 s****e 的大作中提到】![](/moin_static193/solenoid/img/up.png) : 感觉是NMR有问题。做个红外试试。 : : NND
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c******n 发帖数: 16403 | 6 听说某人做单晶搞了很漂亮的晶体, 兴高采烈花了一千块去X-ray,最后发现竟然是
NaCl晶体。
that
【在 r******0 的大作中提到】![](/moin_static193/solenoid/img/up.png) : Other people's samples were OK. Anyway, I just put a hell lot into the NMR : tube and finally I saw some ugly H peaks but still no C. I told my boss that : God is telling me that I should take a vacation.
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s****e 发帖数: 2934 | 7 牛。这个NMR太奇怪了。
that
【在 r******0 的大作中提到】![](/moin_static193/solenoid/img/up.png) : Other people's samples were OK. Anyway, I just put a hell lot into the NMR : tube and finally I saw some ugly H peaks but still no C. I told my boss that : God is telling me that I should take a vacation.
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s****e 发帖数: 2934 | 8 你说的这个和他的事情没有任何联系啊?
【在 c******n 的大作中提到】![](/moin_static193/solenoid/img/up.png) : 听说某人做单晶搞了很漂亮的晶体, 兴高采烈花了一千块去X-ray,最后发现竟然是 : NaCl晶体。 : : that
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