UW CHEMISTRY NMR

Although you cannot manually tune and match the probe,  you can still enter wobb and see how well the probe is tuned/matched.  If you ever find this off,  please enter atma in the command line so that the software will do the  Automatic Tuning and Matching. Please wait until the Automatic Tuning and Matching is […]

The new Automated BBI probe is being calibrated.  The spectrometer should be available for regular use starting at 3.00 pm.   If there is a change in this plan, we will notify the user base accordingly.

The DRX499 is currently unable to do variable temperature experiments.  Please plan your experiments accordingly.  DO NOT ATTEMPT LOW OR HIGH TEMP EXPERIMENTS OR DEVIATE FROM 298K UNTIL FURTHER NOTICE.  We will post as soon as the DRX499 is back to normal VT availability.

Please plan/prepare accordingly for the solid state MAS probe to be installed on September 17th, 2012.

Please CONFIRM that the probe temperature is set to 298 K upon completion of a high temperature experiment.  Today someone ran an experiment at 343 K and left it there when the experiment was completed.  This can and will quench a magnet if left unattended.

We received one user input today that XWINPLOT is not functioning as expected. No more detail was given.  If any of the users have something more specific to share with us about the nature of the problem  in using XWINPLOT, it will be very helpful to troubleshoot.  You can either use the log book or […]

The solution TXI HCN probe is now installed on the AV700.

Since one of the tuning components is de-rating, the Tune and Match value for 13C has changed. New values are clearly posted on the tune/match card of the probe. Please use this as your starting value to tune/match 13C.  Contact facility staff for help.

Problem reported moments ago. Being investigated. Please wait for updates. Users are encouraged to use other instruments for 13C, in the meanwhile.

The TXO 19F{1H,13C} PROBE will be available for use from Monday, Jul. 15th in this instrument.  The probe will be available for high sensitivity 19F studies and users are encouraged to take advantage of this availability.  The probe will be in the instrument for two weeks.  Please direct questions to facility staff