Unanswered questions

Amplifier problem

4 0 8k
answers votes views
Hi.We have a 500 MHz AVANCE-DRX spectrometer and I have a question about it .How we can understand that the amplifier ha...
Nonai 1 May 22 '14 at 00:45

simulating 2D-NOESY spectrum from structural model

1 0 6k
answers votes views
Hello everyone Our research group planning to study metal-ion induced structural transition using NMR. We are new to thi...
Thomas 1 May 19 '14 at 13:03

bruker s1 sortier

0 0 4k
answers votes views
Hello, I can't get results, as unknown error occures data/results.csv I'd restarted spectrometr several time, but the s...
Jerry Hirschinger 199 May 06 '14 at 07:37

Capillary vs bulk solvent chemical shift difference

1 0 7k
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I have prepared a sealed DMSO-d6 capillary tube (3mmOD) to use as an internal reference for an undergraduate prac using ...
SankarampadiAravamudhan 91 Apr 25 '14 at 16:59

extract error bars from sparky S/N or deviation or both

0 0 2k
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Dear NMR wiki community, I have recorded 24 sequential 15N HSQC spectra, in an H/D exchange experiment and now, I am ha...
Maryam 1 Apr 14 '14 at 12:57

Signal intensity affected by long-range proton coupling?

1 0 4k
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Hi, I'm looking for a theoretical explanation for the effect of long-range (proton) couplings on the signal intensity of...
doodlebugs 1 Apr 14 '14 at 06:45

195Pt experiment setup help needed

4 0 8k
answers votes views
We just bought a new console (with Topspin 3.2)for our Bruker 400 and noticed that not all experiments that we previousl...
Kirk Marat 711 Apr 04 '14 at 13:48

Very simple NMR question wrt resonance frequency calculation

6 0 20883
answers votes views
Hi guys, I'm stuck in attempting this question and need some help understanding how to answer it. Q.) The chemical shif...
SankarampadiAravamudhan 91 Apr 02 '14 at 00:25

Diagnosing 1D selective NOE issues

4 0 8k
answers votes views
I'm trying to diagnose a possible issue performing a selective 1D NOE (selnogp) on a Bruker Avance II 500Mhz with TopSpi...
kyleabeauchamp 1 Mar 22 '14 at 09:48

VNMRJ Macro - wait until completion of first experiment

1 0 3k
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I am relatively new to VNMRJ, and am trying to write a macro that executes an array in experiment 1, then, once finished...
Bharathwaj 112 Mar 14 '14 at 07:43
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