Streaks in RDC Gel Spectrum

2 0 499
answers votes views
Hello all, I have used stretched polyacrylamide gels successfully many times to collect RDC data for proteins. The las...
Updated: ChemMJW 101 Dec 06 '13 at 19:10

how to get a 1H-15N HMBC spectroscopy

4 0 645
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hi All, I run a 1H-15N HMBC experiment on a Bruker AVANCE III 600 MHz spectrometer. But I fail to get the long- range ...
Posted: nmrqibebt 1 / Updated: Kirk Marat 672 Dec 09 '13 at 07:48

why prefer using Nitrogen NMR than carbon and hydrogen NMR

1 0 407
answers votes views
Hi, I am new in NMR. Can someone please answer me why prefer N-NMR but not C and H -NMR? Thanks ...
Posted: Rimond john 1 / Updated: de xiao 11 Nov 18 '13 at 07:50

How to convert inversion recovery data acquired using Spinsight

0 0 687
answers votes views
Hi, I do not know how to convert a data set acquired using Spinsight into a format that can be read by Topspin. The d...
Posted: mike 1 Nov 14 '13 at 14:00

NMR of compounds containing iron

1 0 425
answers votes views
Are there any problems with doing proton NMR of a compound containing iron? ...
Updated: Debbie 1 Nov 15 '13 at 10:43

31P signal at negative 74 ppm

2 0 454
answers votes views
Hello All Does anyone have any ideas on what might give a phosphorus signal at negative 74 ppm (cf phosphoric acid)? T...
Updated: Craig Grimmer 21 Nov 19 '13 at 05:11

Capillary vs bulk solvent chemical shift difference

0 0 410
answers votes views
I have prepared a sealed DMSO-d6 capillary tube (3mmOD) to use as an internal reference for an undergraduate prac using ...
Updated: Victoria Bitter 1 Nov 11 '13 at 14:52

MAS spin counting

5 0 614
answers votes views
Hi, We have a Bruker MAS probe (4mm, late 90s vintage, widebore) that reports a spin speed twice what it is actually doi...
Posted: Kate Nairn 11 / Updated: w101bdk 7 Nov 13 '13 at 10:22

Relative quantification (residual solvents)

2 0 893
answers votes views
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

how to do peak picking manually in VNMRJ

1 0 467
answers votes views
I known how to pick peaks automatically. But it always omits some small peaks and picks some noise as peaks. Is there an...
Posted: de xiao 11 / Updated: dejian 1 Dec 12 '13 at 08:20
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