Hello Ken,
The options ‘map’ and ‘plot’ in topshim will
save the topshim map without any optimisation and at each step of the
optimisation, respectively.
You can find the spectra in /opt/topspin/data/topshim (or similar). I add that
location to the file tree section on the left side of topspin so it’s
there when I need it. The data is overwritten each experiment by topshim so it
is always for the most recent time those commands were used.
There are multiple plots (processed 1D dataset) of the profiles. I tend to
use the magnitude map as my first check for if something is wrong. Dirt tends
to manifest as missing intensity somewhere in the map.
Cheers,
Pedro
****************************************************************
Pedro M. Aguiar
Coordonnateur - Laboratoire de RMN
Département de Chimie
Pavillon Roger-Gaudry, E-715
L’Université de Montréal
Montréal, QC H3C 3J7
Canada
Email: pedro.aguiar_at_umontreal.ca
Tel: 514-343-6111 ext. 31006
http://chimie.umontreal.ca/en/accueil/
https://sites.google.com/site/pedroaguiarresearch/
*****************************************************************
Je comprends que vos heures de travail ne soient peut-être pas identiques à
mes heures de travail.
S'il vous plaît répondre pendant vos heures de travail.
I appreciate that your working hours may not be the same as my working hours.
Please reply during your working hours.
> On Jan 4, 2024, at 13:09, Kenneth Sharp-Knott <kknott_at_vt.edu> wrote:
>
> I seem to waste a lot of time getting my shims in order when they suddenly
> go out of order.... Curious if anyone has a more procedural method correcting
> their system shims. I am primarily talking about Bruker instruments of which
> I have older ones which are persnickety...
>
> I am also interested in a good way to evaluate if the probe is dirty. I'm
> dealing with Prodigy probes so I can't drop them easily. I have seen engineers
> determine this by looking at the gradient profile I believe? How is this done?
>
> Best
>
> --
> Ken Sharp-Knott
> Manager of Analytical Services and the NMR Facility
> Department of Chemistry
> Virginia Tech
>
> (540)267-6502 (Cell)
> (540)231-0885 (Office)
>
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Received on Fri Jan 05 2024 - 06:00:52 MST