To interpret proton NMR, it is important to know where each type of ...
7/06/2014 7:13:57 PM GMT
To interpret proton NMR, it is important to know where each type of ... More...
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[Question from NMRWiki Q&A forum] How important is calibrating a 90degree pulse for 2D?
How important is calibrating a 90degree pulse for 2D?
So it is pretty much always recommended to calibrate the 90 for 1H for any 2D experiment... Cosy, Noesy, HSQC, etc...
But when I have calibrated them, there is relatively little change... say from 7.32 to 7.65... Of course for all I know that could be a significant change...
Anyway, how 'off' does the 90 need to be to make a noticeable difference? If you have a concentrated sample, is it less sensitive to the 90?
Thanks!!
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