Unanswered questions

NMR INTENSITY AND CONTACT TIME CP

0 0 48
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 yesterday

dipolar coupling in nmr

0 0 254
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 0 459
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 0 721
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

0 0 430
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 Feb 24 at 02:33

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

0 0 77
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 0 165
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 1k
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

interleaved acquisitionon Bruker NMR

2 0 979
answers votes views
Our group just transfered from Varian to Bruker NMR, and we have a problem. Since my sample is unstable, when thereis a ...
Posted: nmr1novice 1 / Updated: Debashish Sahu 1 Feb 16 at 14:27

help understanding varian command

1 0 215
answers votes views
can someone4 explain how the tssub command works. For example, for phi4[1] = {1} ; settable(t4, 1, phi4) ; what does...
Posted: kaustubh sinha 1 / Updated: Ulrich Haunz 210 Mar 02 at 02:12
587

questions without an accepted answer

Newest questions are shown first.

Tags

× 72
× 34
× 18
× 9
× 7
× 6
× 4
× 3
× 2
× 2
× 2
× 1
× 1
× 1
× 1
× 1
× 1
× 1
posts per page103050

powered by CNPROG