mother of the groom dresses

0 0 3
answers votes views
When you are selecting the ball gown dresses sale, try to choose the good quality thread that matches the fabric and wor...
Posted: mike jhon 1 17 hours ago

prom dresses on sale

0 0 5
answers votes views
When you pick the plum one cheap prom dresses for the wedding, it is certain that you want them to have a sense of style...
Posted: mike jhon 1 17 hours ago

adequate NMR

0 0 20
answers votes views
Hi, I am really confused about reading the adequate 1J(CC) results, Can anyone help me with that? What is the differenc...
Posted: Hessen 1 yesterday

ADC value, help!!!

0 0 18
answers votes views
ADC value in Bruker 1T, please tell me how to get it? ...
Posted: Huong Nguyen 1 2 days ago

Measurement of very short T2

0 0 45
answers votes views
Hello, I'm measuring T2 in paramagnetic materials. These values are very short (0.5-5 ms), and I have to use very short...
Posted: A K 1 Jan 18 at 00:26

how many percent peak in NH HSQC enough to solve structure?

0 0 53
answers votes views
Hello everyone, I have a stupid question and often confuse me. We often meet peak missing in 15N H HSQC,but usually ho...
Posted: chengkun wang 1 Jan 14 at 18:29

Predicting aquisition time needed depending on sample concentration

2 0 3k
answers votes views
Hi , is there a way of predicting aquisition time needed depending on sample concentration in order to get a decent spe...
Posted: gravatar 59 / Updated: Manolis Matzapetakis 1 Jan 14 at 08:33

bigger MAS-NMR spectrum as irradiation window

0 0 303
answers votes views
Hi, I have a sample with a very very big CSA which is broader than my irradiation windows, so I have to acquire my dat...
Posted: Thiazole 1 Dec 16 '14 at 13:05

J-value command

2 0 146
answers votes views
Hi I have a 500MHz BRUKER NMR. How I can access to J-value at COSY experiment? what's that command? ...
Posted: Saeed 1 / Updated: PQdotL 1 Dec 16 '14 at 16:12

problem with large dosy files

3 0 194
answers votes views
Hello, I run DOSY expt successfully but my dosy files are very massive and they take up large amounts of disk space. Ho...
Updated: elham 3 Jan 16 at 07:57

Topspin: usage of l0 and d0

2 0 202
answers votes views
Dear all, In topspin, what's the initial value for l0, 0 or 1? what's the initial value for d0, 0 or in0? Thanks in ad...
Updated: Frey 61 Dec 12 '14 at 01:14

1H-15N CSP

0 0 100
answers votes views
I have a basic question. Why or when should one use deviation from average chemical shift change rather than absolute va...
Posted: Mahavir Singh 1 Nov 27 '14 at 05:10

1H-15N HMBC of small molecules

1 0 162
answers votes views
When I used the automatic peak picking function of Topspin for picking the cross peaks in a 1H-15N HMBC spectrum, two cr...
Updated: Bhanu 1 Nov 27 '14 at 20:23

Running a wet sequence

2 0 208
answers votes views
Hi, I am trying to run a wet sequence but I'm having trouble getting good results on a sample with 90:10 water:methanol...
Posted: gravatar 59 / Updated: Pete Gierth 366 Dec 05 '14 at 10:35

coupling constants

3 0 194
answers votes views
Hi, does anybody know 1H-79Br coupling constants? I found in literature only 13C-79Br coupling constants! Thank you, Mar...
Posted: gugica 1 / Updated: Arkadiusz Leniak 172 Dec 07 '14 at 02:28

What is the actual point of dummy scans?

3 0 300
answers votes views
Hi, I was wondering why so many pulse programs use dummy scans. Correct me if I'm wrong but I think dummy scans are supp...
Posted: gravatar 59 / Updated: Pete Gierth 366 Dec 05 '14 at 10:44

Frequency of signal in the second dymension

0 0 2k
answers votes views
Let me consider a proton experiment done on a 500 MHz spectrometer. The signal coming from the sample has a frequency of...
Posted: PQdotL 1 / Updated: dstephenson 56 Dec 16 '14 at 06:27

Inverse FT of NUS data

3 0 212
answers votes views
Does anyone know the way to create a full ser file from Bruker NUS processed data? I want to do this so that others (wi...
Posted: John Hollerton 96 / Updated: Pete Gierth 366 Dec 05 '14 at 11:19

BSMS error message

3 0 269
answers votes views
Hi what is the HOLD LOCK message on BSMS key pad? How can I fix it? Thanks ...
Posted: elham 3 / Updated: Pete Gierth 366 Jan 22 at 02:39

Weak NOE signals, serious t1 noise

5 0 322
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...
Posted: Elvis 1 / Updated: RuudA 11 Nov 02 '14 at 07:22

Why so much spam?

3 3 240
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 59 / Updated: Ulrich Haunz 177 Oct 24 '14 at 07:09

19F 2D experiments

3 0 261
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: RuudA 11 Nov 02 '14 at 07:44

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

1 0 4k
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 172 Oct 24 '14 at 00:48

topshim error 84

1 0 270
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 685 Oct 14 '14 at 14:28

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

1 0 2k
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 59 / Updated: Ulrich Haunz 177 Oct 23 '14 at 08:39

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 '14 at 10:16

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

1 0 563
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 177 Sep 22 '14 at 06:25

setting Z0 on agilent nmr equipment

0 0 208
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 '14 at 16:15

polymer NMR

1 0 819
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 172 Sep 09 '14 at 10:05

Which Bruker HSQC program do you use?

5 0 886
answers votes views
Hello, could you tell me which HSQC and E-HSQC program are recommendable ? These are Bruker HSQC pulse programs: hsqcp...
Posted: lithiumamide 1 / Updated: RuudA 11 Sep 10 '14 at 11:46

Oxford Instruments 2.2K 800/63 pumped magnet

1 0 729
answers votes views
Dear all, our Oxford 800 Mhz pumped magnet is monitored using a windows 95 pc. The autodial is still running but we wer...
Posted: Ruud 1 / Updated: RuudA 11 Sep 25 '14 at 03:37

Spam that is lately spawning in wiki

2 4 736
answers votes views
Greetings, I want to ask if someone knows what's going on in here with this spam about FIFA, some online games, etc. ? ...
Updated: Arkadiusz Leniak 172 Sep 23 '14 at 13:08

Tool for Subsampling Uniformly-Acquired Data to Mimic NUS Spectra

1 0 5k
answers votes views
Hello all, I have several 2D and 3D data sets acquired using Bruker spectrometers in the standard uniform sampling fash...
Updated: ChemMJW 99 Aug 23 '14 at 20:43

what does autoshim in the topspin bsms do?

1 0 503
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...
Posted: gravatar 59 / Updated: Ulrich Haunz 177 Aug 20 '14 at 06:16

Tool to extract several NMR spectra into text file format?

2 0 378
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...
Posted: Michael 1 / Updated: John Hollerton 96 Sep 10 '14 at 03:36

15N 90 degree hard pulse calibration

4 0 13702
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...
Updated: Arkadiusz Leniak 172 Aug 25 '14 at 04:18

vnmrj spectra in mnova

3 0 542
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...
Posted: Carolyn Shetter 1 / Updated: Ulrich Haunz 177 Aug 13 '14 at 05:09

Topspin 2.1 error message with Windows 7 OS

3 0 1k
answers votes views
Hi all, I have been running TopSpin 2.1 on my Windows 7 32-bit OS for the last few years and now am getting this annoyin...
Posted: Olivia 1 / Updated: Ulrich Haunz 177 Nov 14 '14 at 03:16

why choloroform gives a negative triplet instead of a positive

3 0 5k
answers votes views
Hello, why choloroform gives a negative triplet instead of a positive(just one hydrogen on the carbon) in DEPT 135. Can ...
Updated: zikoooo 3 Jul 29 '14 at 01:20

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

4 0 3k
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...
Posted: Jiping Yang 1 / Updated: John Hollerton 96 Sep 10 '14 at 03:53

Air dryer system issues

2 0 6k
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...
Posted: slongwell 3 / Updated: Jerry Hirschinger 189 Jul 23 '14 at 06:50

simple stddiff parameters

1 0 4k
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...
Updated: nfromdicle 1 Jul 12 '14 at 05:56

Watergate spikes around solvent

0 0 528
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...
Updated: gravatar 59 Aug 20 '14 at 07:47

167ppm CH of a indole

1 0 464
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...
Posted: din 1 / Updated: VVK 61 Jul 08 '14 at 04:34

how do you use topshim 3d in topspin?

2 0 2k
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...
Posted: gravatar 59 / Updated: Arkadiusz Leniak 172 Jul 07 '14 at 07:39

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

1 0 2k
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...
Posted: Craig Grimmer 31 / Updated: vltr 1 Jul 14 '14 at 13:17

INADEQUATE EXPERIMENT WITH BBI PROBE?

4 0 1k
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...
Posted: Gohuma1 1 / Updated: Arkadiusz Leniak 172 Jun 26 '14 at 19:35

Software to simulate pulse sequences

1 0 531
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...
Posted: marcs 11 / Updated: Bharathwaj 112 Jun 22 '14 at 08:15

Topspin3.2 deconvolution, border peaks are cutted off

1 0 890
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...
Posted: Arkadiusz Leniak 172 / Updated: Ulrich Haunz 177 Jun 16 '14 at 07:48

gradients for 195Pt

2 0 449
answers votes views
Dear colleagues! tell me please how to calculate the gradients for carrying out 2D experiment with 195Pt (HMBC, HSQC)? ...
Updated: OLEL 1 Aug 15 '14 at 03:17
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