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Why the chemical shift range of 1H nmr is ~20 ppm wheras for 13C nmr it is ~230 ppm?
...
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Hi guys, I'm stuck in attempting this question and need some help understanding how to answer it.
Q.) The chemical shif...
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Hi everyone,
I was wondering whether anyone could help me to explain why the chemical shifts in my proton and carbon NM...
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Hello all,
I have spent approximately 4 hours trying to analyze an H NMR consisting of two doublets of doublets (pe...
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Hi guys, sorry to be really cheeky and sign up simply to ask for help, but here goes.
I've done a simple Grignard addit...
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I need to run NMR on samples of anhydrous ammonia. The boiling point of anhydrous ammonia is -33.34 deg C. In order to...
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Hi, my 1H 90 deg pulses are always longer when I work with my samples that are electrically conducting. Is this a/the re...
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Hi,
I have encountered a strange behaviour of some signals (they are absent) in a series of polycyclic aromatic carboxi...
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Hello,
My 1H MAS NMR spectrum comes out with the right spinning side band pointing up and the left one pointing down. ...
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Hey everyone,
I've started practicing reading NMR again after having not done so for years, and I'm getting caught up o...