Unanswered questions

Amplifier problem

4 0 8k
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Hi.We have a 500 MHz AVANCE-DRX spectrometer and I have a question about it .How we can understand that the amplifier ha...
Posted: shokoufeh karimnia 1 / Updated: Nonai 1 May 22 '14 at 00:45

lose the lock

4 0 7k
answers votes views
Recently the TOPSPIN always popup a windows "L-TRX board overtemperature error occurs" Then the lock is lost, and the lo...
Updated: Roja 26 Jan 07 '13 at 15:58

Which minimum distance between two magnets?

4 0 8k
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Dear all, how do you determine the minimum distance between two high-field magnets? Is it that their 5-gauss lines mus...
Posted: oxy 31 / Updated: John Hollerton 96 Apr 22 '13 at 05:56

Bruker & Varian phase correction parameters

4 0 6k
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Hi, I am an undergraduate student who is doing a chemistry/computing project. I have chosen to write a simple C program...
Updated: Jean Davidson 1 Mar 30 '13 at 12:23

question about NQR

4 0 5k
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Hi.We have a 500MHz BRUKER AVANCE spectrometer.unfortunately its has been quenched.we have 3 probes:5mmQNP , 5mmBBI and ...
Posted: shokoufeh karimnia 1 / Updated: SankarampadiAravamudhan 91 Jun 04 '13 at 04:44

How to recover from quenched or dried magnet?

4 0 21780
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We have got a donated AQR/p with Spectrospin 300 magnet and there is no helium inside. It was sitting in the warehouse f...
Posted: agoo 1 / Updated: Jerry Hirschinger 199 Oct 04 '13 at 09:58

how to get a 1H-15N HMBC spectroscopy

4 0 8k
answers votes views
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 711 Dec 09 '13 at 07:48

Diagnosing 1D selective NOE issues

4 0 8k
answers votes views
I'm trying to diagnose a possible issue performing a selective 1D NOE (selnogp) on a Bruker Avance II 500Mhz with TopSpi...
Updated: kyleabeauchamp 1 Mar 22 '14 at 09:48

195Pt experiment setup help needed

4 0 7k
answers votes views
We just bought a new console (with Topspin 3.2)for our Bruker 400 and noticed that not all experiments that we previousl...
Posted: IA 1 / Updated: Kirk Marat 711 Apr 04 '14 at 13:48

Topspin 3.2.1 - 1D TOCSY in with differing mixing times

4 1 8k
answers votes views
Hello, I work a lot with compounds containing numerous carbohydrate groups. Therefore I use frequently 1D-TOCSY experim...
Posted: zablociak 21 / Updated: Alain Pagelot 1 Jun 10 '14 at 02:38
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