| 6 |
3 |
20715 |
| answers |
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Why the chemical shift range of 1H nmr is ~20 ppm wheras for 13C nmr it is ~230 ppm?
...
| 4 |
1 |
25986 |
| answers |
votes |
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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...
| 1 |
1 |
7k |
| answers |
votes |
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I'm currently a college student taking Organic Chem and I've no idea how to figure out the J-coupling for H-NMR and neit...
| 4 |
1 |
8k |
| answers |
votes |
views |
Hello all,
I have spent approximately 4 hours trying to analyze an H NMR consisting of two doublets of doublets (pe...
| 4 |
1 |
5k |
| answers |
votes |
views |
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...
| 1 |
1 |
5k |
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Dear Everyone
I´d like to run 33S-NMR experiments using a Bruker NMR spectrometer at 400 MHz buy I nedd the pulse seque...
| 2 |
0 |
7k |
| answers |
votes |
views |
Hello,
My 1H MAS NMR spectrum comes out with the right spinning side band pointing up and the left one pointing down. ...
| 3 |
0 |
6k |
| answers |
votes |
views |
I need to run NMR on samples of anhydrous ammonia. The boiling point of anhydrous ammonia is -33.34 deg C. In order to...
| 3 |
0 |
6k |
| answers |
votes |
views |
Hi, my 1H 90 deg pulses are always longer when I work with my samples that are electrically conducting. Is this a/the re...
| 0 |
0 |
2k |
| answers |
votes |
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Hi?
recently I try to use the bloch equation to simulate the magnetization M's variation, i used the perfect 90-degr...
Posted:
da hsu
1
Apr 18 '13 at 18:51
