UW CHEMISTRY NMR
Announcments & Equipment Logs
Spectrometer
ATTENTION ALL USERS ! : NMR LAB RM: 37 ACCESS RESTRICTION THIS WEEK
Facilities Works will redo the flooring of the corridor in Bagley Hall where the NMR lab is located on the following days this week : Tuesday, Wednesday and Thursday. This operation will last from 5.30 am until 8.30 am on each of these days. During this time, no foot traffic will be allowed on the […]
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ATTENTION ! – USERS WHO EMPLOY J-YOUNG NMR TUBES…PLEASE READ !
J-Young NMR tube users must be fully aware by now that tubes that are bent from being perfectly linear cannot be ejected comfortably and they can even cause breakage inside the NMR probehead. Most of the time, the stuck tube entails complete removal of the probe from the magnet, followed by a not so simple […]
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AV700 : SOLUTIONS TO SOLIDS TRANSITION COMING UP – Dec 8
We will switch the AV700 to solids NMR beginning December 8th, Thursday and the system will serve the solids request queue until the end of December as per current estimates. Based on how the runs pan out, we may be in a position to switch back to solutions even earlier. Please look out for a […]
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UPDATE ! DRX499 – PROBE CHANGE IMMINENT
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 […]
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ALERT ! DRX499 – INSTRUMENT DOWN DUE TO USER SAMPLE BREAKAGE
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 […]
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UPDATE : AV300 – SYSTEM BACK IN USE – WITH THE OLD PROBE STILL
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 […]
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AV300 – UPDATE : LOGIN PROBLEM RESOLVED.
No issues. Please post a message, if you notice otherwise. NMR Facility Manager 10/24/16
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DRX499 – UPDATE ! SYSTEM IS BACK TO NORMAL
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
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ALERT ! DRX 499 – SYSTEM DOWN UNTIL FURTHER NOTICE
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 […]
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ALERT ! AV301 – THE ATMA – TOPSHIM CAPABLE PROBE IS BACK IN THE SYSTEM !
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 […]
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