UW CHEMISTRY NMR
Announcments & Equipment Logs
January, 2023
UPDATE ! AV301 : TOPSHIM TEST LOOKS GOOD
Dear Users I managed to get hold of six sample tubes of same compound in CDCl3, (thanks to the kind help from Chem Lab Techs, David and Lance) to test the Topshim consistency. In my experience, the shimming is consistent and reliable. Below is a snapshot of the aliphatic region from all the six samples […]
Posted in Hardware, Software, Spectrometer, Usage | No Comments »
UPDATE ! AV301 : TOPSHIM SHOULD WORK WITH WEAK SOLVENTS NOW
Dear Users Thanks to a generous donation of a crucial component from a fellow public University like ours, I could revive the ability for this instrument to do meaningful Topshim based shimming on weak solvents like CDCl3. The results based on the tests I ran on a few samples at my disposal and a few […]
Posted in Hardware, Spectrometer | No Comments »
UPDATE !! AV301 – SYSTEM UP WITH ATMA PROBE, WITH CAVEATS – PLEASE READ
My dear long-suffering and patient NMR users ! The AV301 instrument is available for immediate use. You can use ATMA command to tune 1H nucleus. You can also use either topshim (command line) or topshim gui (graphical interface) to shim on your solvent. Here are the caveats that you should note : The probe’s […]
Posted in Uncategorized | No Comments »