Weak NOE signals, serious t1 noise

2 0 7
answers votes views
Since my university does not have a professional spectroscopist, I am a new learner of NMR, and I really have no one els...
Updated: Elvis 1 1 hour ago

Why so much spam?

3 1 35
answers votes views
Hi, I really like this forum and I am harrowed to see it so spammed. We should find a way to end this(maybe more admins...
Posted: gravatar 19 / Updated: Ulrich Haunz 169 yesterday

19F 2D experiments

2 0 39
answers votes views
Hi, I would like to run some 19F NOESY, and 19F-1H correlation experiments on a totally fluorinated sample (no H) with a...
Posted: AnneBaudouin 1 / Updated: Arkadiusz Leniak 120 yesterday

NH---O hydrgen bond detection in N-(2-methoxyphenyl)benzamide

1 0 839
answers votes views
I'd like to know if there are further NMR spectroscopic methods to detect NH---O hydrogen bond in N-(2-methoxyphenyl)ben...
Posted: Alessia 1 / Updated: Arkadiusz Leniak 120 yesterday

topshim error 84

1 0 74
answers votes views
I tried to perform topshim on my AV-300 but it say : "BsmsRCBSlope - setting RCB ramp failed - Error 84:BSMSExcessive Co...
Posted: Bourdreux Flavien 1 / Updated: Kirk Marat 656 Oct 14 at 14:28

Measuring T1 for a low concentration (1mM) compound in water.

1 0 1k
answers votes views
Hi, I'm trying to measure T1 for a compund at 1mM in water using t1ir. Seeing how my concentration is so low, phasing m...
Posted: gravatar 19 / Updated: Ulrich Haunz 169 2 days ago

TOCSY of peptide in micelle

0 0 1k
answers votes views
Hi, I am a PhD student starting in NMR and I have two questions. I have a problem with a TOCSY and natural abundance ...
Updated: paul atray 1 Sep 17 at 10:16

au for 1H and 31P with iexpno and ssleep for kinetics

1 0 352
answers votes views
hi there. I want to establish an au with the following content: I want to measure 1H and 31P make ssleep (userdefined)...
Posted: charlez miller 1 / Updated: Ulrich Haunz 169 Sep 22 at 06:25

setting Z0 on agilent nmr equipment

0 0 116
answers votes views
I use an agilent 400 MHz equipment. Would like to know how to set the Z0 to around -3500 ...
Posted: olatomide fadare 1 Sep 11 at 16:15

polymer NMR

1 0 300
answers votes views
Why are NMR peaks of flexible polymers usually broad? Is it due to the intramolecular proton J coupling among different ...
Posted: timlo 1 / Updated: Arkadiusz Leniak 120 Sep 09 at 10:05
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