UW CHEMISTRY NMR

Since there was extensive sample spillage inside the TXO probe that is giving a large background interference, this probe cannot be employed in its current shape, presently.  We are  putting in the alternate probehead  i.e. BBO – X-{1H} Z Gradient and priming the same for routine use.  Current estimate is that we will release the […]

User sample tube has broken inside the probehead and the instrument is not usable currently. Probe needs to come out of the magnet to know the extent of damage or spillage. Based on the assessment, we will decide if the TXO probe can be back in the system or a different probe will take its […]

The ATMA Probe that was procured as part the hardware upgrade, unfortunately, had been found to have a faulty motor that prevents it from Automatic Tuning/Matching operation. The probe has been sent back for repairs and the older BBI probe has been put back and shimmed up. I will announce the completion of the upgrade […]

The hardware issue is fixed and Lock and Shim systems are tested to be ok. Please let us know if you observe otherwise. Thank you for your patience. NMR Facility Manager 10/18/16  

There is a hardware failure in the Lock and Shim system and we are looking into the same.  Preliminary indications are that a complete troubleshoot and remedy will take at least couple of days to complete.  I will post an update once there is more to information available. Thank you for your understanding. NMR Facility […]

The PABBI – 1H {BROADBAND} Z-Gradient probe is back in action.   Things look good and behave as expected.   Here are the reminders : For tuning and matching the probe, simply enter “atma”  on the Topspin command line OR click on the AutoWobb button. For shimming,  please lock on the correct solvent first.  Then either enter […]

Until further notice, the instrument is not usable and we are looking into the cause of the lock failure.  Will post an update when the situation becomes clearer. NMR Facility Manager 11/15/16

On Monday, the 11th of July, the recently repaired PABBI-ATMA probe will be re-installed in the system and tested and calibrated.  The instrument should be available for regular use by the evening of that day. I will post a confirmation as to the availability of the system later that day. Stay Tuned NMR Facility Manager […]

We are aware of the inconsistency in tuning/matching the 1H channel for some users.  I will get to it as soon as I can. Since I am short staffed currently, I will request your patience while I line up this investigation in my list of todo things. NMR Facility Manager 6/30/16