Tagged questions

How to calcualte eoors in ppm from Hz of Hsqc data?

1 0 66
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Hi all, I want to calculate error in ppm from my Hsqc data. My spectrometer yields X1axis, Y1Axis, DX1, DY1, X1ppm, and ...
Posted: ick lad 1 / Updated: Arkadiusz Leniak 213 Mar 17 at 02:10

Absence of some signals on 1H and 13C spectra of polyaromatic carboximidate

3 0 201
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Hi, I have encountered a strange behaviour of some signals (they are absent) in a series of polycyclic aromatic carboxi...
Posted: Arkadiusz Leniak 213 / Updated: zablociak 21 Mar 23 at 12:11

WaterLOGSY pulse program for bruker

1 0 381
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Hello, I was wondering if there was a waterLOGSY sequence among the bruker sequences. If not, could someone tell me whe...
Posted: gravatar 71 / Updated: Arkadiusz Leniak 213 Mar 17 at 08:09

OH, NH, SH Labile protons in water nmr

1 0 91
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Hello all, Just to mirror Craig Grimmer's question about labile protons in non-aqueous solvents, does anyone know of an...
Posted: gravatar 71 / Updated: Arkadiusz Leniak 213 Mar 14 at 11:24

Choice of relaxation delay time (d1) in 2D experiments.

1 0 119
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Hi, Most people tend to use a lower d1 for 2D than for 1D. Help me understand why. Furthermore, supposing you know you...
Updated: gravatar 71 Mar 09 at 02:21

Tool to extract several NMR spectra into text file format?

2 0 447
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Hi As a newbie in the NMR world I hope you guys can help me out with a simple Q: I have 104 1D spectra I would like to t...
Posted: Michael 1 / Updated: John Hollerton 96 Sep 10 '14 at 03:36

Very simple NMR question wrt resonance frequency calculation

6 0 3k
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...
Posted: Will Whitehouse 1 / Updated: SankarampadiAravamudhan 91 Apr 02 '14 at 00:25

using chenomx and missing peaks

1 0 960
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hello, I am trying to identify and quantify of metabolites present in semen with spectra obtained from 400 MHz NMR using...
Posted: Reza mohammadi 1 / Updated: Ulrich Haunz 248 Feb 10 '14 at 01:36

Relative quantification (residual solvents)

2 0 3k
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Hi All, I've been trying to get a clear answer to this question for a while now, but can't seem to get a definitive ...
Posted: organicadam 1 / Updated: John Hollerton 96 Dec 09 '13 at 09:37

Help solving a spectrum!

2 0 1k
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Can someone please help me solve an nmr problem? I've tried a lot but can't get it. Please post ur email and i'll send y...
Posted: Lyra 1 / Updated: vaclavrimal 11 Aug 08 '13 at 04:44
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