Re: [AMMRL] 19F peaks issue

From: Eugenio Alvarado via groups.io <ealva=umich.edu_at_groups.io>
Date: Sat, 9 May 2026 18:02:46 -0400

You can use backward linear prediction to get rid of it. It is likely
background from the probe.

Eugenio Alvarado
Director, NMR Lab. Room 3500
Chemistry Department, University of Michigan
930 N. University Ave., Ann Arbor, MI 48109-1055
Voice: (734)-764-9924

On Sat, May 9, 2026, 5:37 PM Karel Klika via groups.io wrote:

> Hi Puresh,
>
> This is just background from the probe, I get the same on my Prodigy (I
> checked it as it is different to my rt probe). So obviously you have tuned
> and matched and have a pulse with some power but there is no flourine in
> your sample.
>
> Sincerely,
> K. Klika
> ________________________________________
> From: main_at_ammrl.groups.io on behalf of pothula purushotham reddy via groups.io
> Sent: 08 May 2026 23:59:10
> To: main_at_ammrl.groups.io
> Subject: [AMMRL] 19F peaks issue
>
> Hi there,
>
> I am measuring ¹⁹F NMR on a Prodigy probe at 400 MHz, but the spectra look
> strange/weird. Does anyone know what might be causing this or how to fix
> it? Any suggestions would be greatly appreciated.
>
> Thank you!
>
>
> Best
> Purush
>
>
>

-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#3442): https://urldefense.com/v3/__https://ammrl.groups=
.io/g/main/message/3442__;!!PvDODwlR4mBZyAb0!WqR43JCYsGkspamYWvkFLfZaiYJFm5=
qiy750blKb0xSl1zUUaZRmTNQhIrM2S55Rpep8dvkk7b5auCKjP_3yXVPz1k0$
Mute This Topic: https://urldefense.com/v3/__https://groups.io/mt/119227897=
/7559972__;!!PvDODwlR4mBZyAb0!WqR43JCYsGkspamYWvkFLfZaiYJFm5qiy750blKb0xSl1=
zUUaZRmTNQhIrM2S55Rpep8dvkk7b5auCKjP_3y9NVuplw$
Group Owner: main+owner_at_ammrl.groups.io
-=-=-=-=-=-=-=-=-=-=-=-




Received on Sat May 09 2026 - 15:56:22 MST

This archive was generated by hypermail 2.4.0 : Sun May 31 2026 - 13:58:17 MST