UW CHEMISTRY NMR

Announcments & Equipment Logs

October, 2013

UPDATE : NETWORK AND NMR HOSTS BACK TO NORMAL

The networking issue that caused the slow down of NMR login has been rectified.  Users are requested to report any abnormal behaviour that they may notice.

Posted in Host Computer, Operating System | No Comments »

ALERT : NETWORK RELATED ISSUE…

The slow response behaviour noticed for AV300 is now observed in AV301 as well and the initial investigation points to a possible IT connect related network problem. The systems rely on the IT connect servers to authenticate users when they login and any problems with the UW IT servers can impact the behaviour at our […]

Posted in Host Computer, Operating System | No Comments »

AV300 : UPDATE – SYSTEM SLOW RESPONSE UNDER OBSERVATION

The slow response of the host computer over the past couple of days is being investigated.  An update will be provided once the cause is identified and remedied.    

Posted in Host Computer, Operating System | No Comments »

DRX499 : ALERT – PROBE CHANGE TOMORROW

The currently installed BBI probe with a malfunction needs to be sent for repairs.  By tomorrow afternoon this probe will be pulled out and the backup triple resonance 1H-{13C, 15N} probe will be put in place and primed.  The replacement probe should be ready by noon  on Monday, the 28th Oct ’13.  Users are requested […]

Posted in Hardware, Spectrometer | No Comments »

ALERT : AV700 – PROBE CHANGE

The current solutions probe will give way to the 3.2 mm Solid State MAS probe on 28th October, 2013, Monday. Solution NMR users are requested to take note and plan their runs accordingly.

Posted in Hardware, Spectrometer | No Comments »

DRX499 : ALERT – BBI PROBE HANDICAP

Some of the capacitors inside the BBI probe are de-rating and this leads to the following behavior.  Whenever a gradient based experiment is performed, the pulse gradients affect the tuning and matching of the probe such that the wobb curve will be way off at the end of the experiment, leading to poor or no […]

Posted in Hardware, Spectrometer, Usage | No Comments »

AV301 : UPDATE – 1H {19F, 13C} probe ready for use

Please remember to load the standard shim file stdtxd before you begin shimming. Pay attention to the fact that the RF cable should be switched from the 13C connector on the probe to 19F connector, when you perform 19F direct detection.  Please leave the cable back in 13C position once you are done.  Contact facility […]

Posted in Hardware, Spectrometer, Usage | No Comments »

ALERT : AV301 – PROBE CHANGE

The currently serving double resonance 1H {13C} backup probe in AV301 will give way to the TXD-1H{19F,13C} probe, beginning Oct. 21st, Monday.  The probe is expected to be ready before noon.  Users are requested to note the change.

Posted in Hardware, Spectrometer, Usage | No Comments »

Item Categories