setting Z0 on agilent nmr equipment

0 0 1k
answers votes views
I use an agilent 400 MHz equipment. Would like to know how to set the Z0 to around -3500 ...
olatomide fadare 1 Sep 11 '14 at 16:15

Which Bruker HSQC program do you use?

5 0 11067
answers votes views
Hello, could you tell me which HSQC and E-HSQC program are recommendable ? These are Bruker HSQC pulse programs: hsqcp...
RuudA 11 Sep 10 '14 at 11:46

RGA setting too high on Bruker Avance 300

3 0 7k
answers votes views
I'm using Bruker Avance 300 spectrometer (Topspin processing software). When using "RGA" GR value jumps up to 3000 and m...
John Hollerton 96 Sep 10 '14 at 04:07

How to integrate CDCl3 (d-chloroform) peak area which is overlapped with other peaks?

4 0 10431
answers votes views
Hi All, I would like to get suggestion about how to integrate the peak area of CDCl3 which is overlapped with other pea...
John Hollerton 96 Sep 10 '14 at 03:53

Tool to extract several NMR spectra into text file format?

2 0 3k
answers votes views
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...
John Hollerton 96 Sep 10 '14 at 03:36

polymer NMR

1 0 4k
answers votes views
Why are NMR peaks of flexible polymers usually broad? Is it due to the intramolecular proton J coupling among different ...
Arkadiusz Leniak 238 Sep 09 '14 at 10:05

15N 90 degree hard pulse calibration

4 0 26153
answers votes views
Greetings, I want to ask for some advice in matter of 15N hard pulse calibration on Bruker machines. I'm working on Avan...
Arkadiusz Leniak 238 Aug 25 '14 at 04:18

Tool for Subsampling Uniformly-Acquired Data to Mimic NUS Spectra

1 0 8k
answers votes views
Hello all, I have several 2D and 3D data sets acquired using Bruker spectrometers in the standard uniform sampling fash...
ChemMJW 99 Aug 23 '14 at 20:43

Buffer systems for protein pH titrations

1 0 9k
answers votes views
Hi All, I am trying to design a 1D 31P pH titration experiment for a protein. I have been trying to identify a good buf...
ChemMJW 99 Aug 22 '14 at 20:40

Watergate spikes around solvent

0 0 1k
answers votes views
Hi, When I use my watergate I get symmetrical spikes around the residual water signal. Is there a way of minimizing the...
gravatar 83 Aug 20 '14 at 07:47

what does autoshim in the topspin bsms do?

1 0 6k
answers votes views
Hi, in the bsms gui there's an autoshim button. What does this function do exactly? Is it similar to topshim or is it a...
Ulrich Haunz 210 Aug 20 '14 at 06:16

why is the number of scans in watergate a multiple of 8?

2 0 9k
answers votes views
Hi, In the p3919gp the number of scans is a multiple of 8 which makes optimizing this experiment a bit of a pain. can a...
Arkadiusz Leniak 238 Aug 20 '14 at 00:32

Tool to extract NMR data in XY text file format?

6 0 22412
answers votes views
I need to give NMR data to someone who has only spreadsheet software to prepare plots of data and she also wants to fit ...
Michael 1 Aug 19 '14 at 05:17

gradients for 195Pt

2 0 3k
answers votes views
Dear colleagues! tell me please how to calculate the gradients for carrying out 2D experiment with 195Pt (HMBC, HSQC)? ...
OLEL 1 Aug 15 '14 at 03:17

vnmrj spectra in mnova

3 0 12484
answers votes views
I have been trying to open varian vnmrj spectra in mnova software to workup the spectra, but I keep getting error messag...
Ulrich Haunz 210 Aug 13 '14 at 05:09

why choloroform gives a negative triplet instead of a positive

3 0 11672
answers votes views
Hello, why choloroform gives a negative triplet instead of a positive(just one hydrogen on the carbon) in DEPT 135. Can ...
zikoooo 3 Jul 29 '14 at 01:20

Where to find technical information on Varian and Bruker data storage formats?

5 0 17919
answers votes views
Hello, I would like to find detailed technical info on the binary data storage formats for Varian and Bruker. Could anyo...
arronlee 1 Jul 25 '14 at 00:00

Helium recovery system

2 1 7k
answers votes views
How do I configure a helium recovery system that won't perturb my magnet's stability? I'm concerned that just hooking ...
Jerry Hirschinger 199 Jul 23 '14 at 10:45

Air dryer system issues

2 0 15958
answers votes views
We have a pressure-swing adsorption air dryer that is identical to the one shown here on the NMR wiki (Balston 75-20, cu...
Jerry Hirschinger 199 Jul 23 '14 at 06:50

Translating Varian to Bruker, "phase=1,2"

1 0 7k
answers votes views
I'm trying to translate a Varian pulse sequence into a Bruker pulse program. For the Varian Inova sequence with the par...
vltr 1 Jul 14 '14 at 13:17

simple stddiff parameters

1 0 9k
answers votes views
Hi, I'm working on a bruker avance 400 spectrometer and using topspin version 1.3 software. I want to get a std-nmr (sat...
nfromdicle 1 Jul 12 '14 at 05:56

167ppm CH of a indole

1 0 8k
answers votes views
I have a proton value at 8.07ppm and carbon 167ppm correlate to a CH proton I think it's a proton at 3 position of a ind...
VVK 61 Jul 08 '14 at 04:34

how do you use topshim 3d in topspin?

2 0 13882
answers votes views
Hi, when I try to use topshim 3d i get an error message saying that it can only be used for 1H although 1H is what I use...
Arkadiusz Leniak 238 Jul 07 '14 at 07:39

Beginners question: checking probe and multinulear ability in Bruker machines

2 1 17003
answers votes views
Hi All, This may be a daft question, but how do I go about identifying the probe in our NMR machine, and hence whether ...
Kirk Marat 711 Jul 04 '14 at 08:51

INADEQUATE EXPERIMENT WITH BBI PROBE?

4 0 6k
answers votes views
Is it possible to obtain this experiment with a BBI 400 MHz probe? All the tries I have made they have been unsuccessful...
Arkadiusz Leniak 238 Jun 26 '14 at 19:35

Software to simulate pulse sequences

1 0 3k
answers votes views
Hi, I'm interested in software for windows or linux that simulate the effect of pulses, delay AND gradients using the pr...
Bharathwaj 112 Jun 22 '14 at 08:15

Topspin3.2 deconvolution, border peaks are cutted off

1 0 6k
answers votes views
Greetings, I've some annoying issue with Topspin and deconvolution. No matter what I'm trying to do, border peaks are a...
Ulrich Haunz 210 Jun 16 '14 at 07:48

19F full range homodecoupling

3 0 8k
answers votes views
Greetings, this is my first question in this wiki :) I wonder if there's possibility to obtain full homo decoupled spe...
Arkadiusz Leniak 238 Jun 16 '14 at 00:14

How can you read a FID dile with topspin?

2 0 13089
answers votes views
Hi, I found a spectrum I'm interested in on the hmdb database, say for example at the end of this page http://www.hmdb....
Arkadiusz Leniak 238 Jun 14 '14 at 02:00

Topspin 3.2.1 - 1D TOCSY in with differing mixing times

4 1 9k
answers votes views
Hello, I work a lot with compounds containing numerous carbohydrate groups. Therefore I use frequently 1D-TOCSY experim...
Alain Pagelot 1 Jun 10 '14 at 02:38
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