Unanswered questions

NMR saturation

0 0 753
answers votes views
My doubts are about NMR saturation. Saturation is caused by a continued impulse and cause the equalization in spin popol...
Posted: Youlsea 1 Aug 29 at 08:11

Nuclei with quadrupolar moment, quadrupolar interaction, 23Na MRI

0 0 1k
answers votes views
Hello! I'd like to understand the application of quadrupolar effects in MRI. I read different materials on this topic b...
Posted: Philipp Barrett 1 Apr 01 at 13:01


0 0 643
answers votes views
What is the shape of the graph between intensity and contact time for different spin rate in CP? ...
Posted: sreenath K 1 Mar 26 at 05:32

dipolar coupling in nmr

0 0 646
answers votes views
how can i understand the effect of dipolar coupling in cp spectrum? ...
Posted: sreenath K 1 Mar 23 at 09:52

cp nmr graph for intensity vs contact time

0 0 839
answers votes views
i got a sinusoidal graph for intensity vs contact time graph in CP.how can explain the theory behind this? ...
Posted: sreenath K 1 Mar 21 at 22:06

2D-STD experiment

0 0 1k
answers votes views
Can anybody provide parameter file for running 2 D STD 1H 13C HSQC on bruker 600 MHz instrument. ...
Posted: ASMA AZIEZ 1 Feb 24 at 23:28

ROESY NMR in Bruker

1 0 1k
answers votes views
Since ROESY uses a cw spin-lock, is it safe to set up a mixing time of 500ms? If I want a roesy spin-lock strength of 2....
Posted: visi 1 / Updated: Pete Gierth 401 Mar 30 at 03:32

Why SR(F1) in hcchtocsy and h(cc)(co)nh?

0 0 306
answers votes views
Hi,All, I wonder if somebody can tell me why in these two experiments( also hbha(co)nh,I think) in Bruker(not sure if yo...
Updated: blue 1 Feb 28 at 08:37

eightfold suppression of water and ethanol

0 0 498
answers votes views
Hi, I'm trying to perform an NOESYGPPS 1D 1H NMR experiment to suppress water and the ethanol signals in a wine sample, ...
Updated: Calin Floare 1 Feb 06 at 05:15

Why is the T1 relaxation time of protons shorter than for other nuclei?

0 0 2k
answers votes views
So I think this could be asked in my oral exam. Why are the T1 relaxation times in NMR spectroscopy shorter than those o...
Posted: NMR Dummy 1 Jan 25 at 09:56

questions without an accepted answer

Newest questions are shown first.


posts per page103050

powered by CNPROG