UW CHEMISTRY NMR
Announcments & Equipment Logs
Hardware
UPDATE ! GG500 – IS BACK ONLINE FOR REGULAR USE…
Dear Users GG500 is now ready for routine use with the TBI triple resonance probe in place, calibrated and optimzied. I am also glad to add that the VT control is completely restored now so that you can run temperature variation experiments. The nominal range is about -10 C to 70C but I will give […]
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UPDATE : GG500 – DELAYED TILL TOMORROW..
Dear Users Unfortunately the instrument is not yet ready for regular use but we hope that it should be back in regular use by noon of tomorrow, Tuesday the 12th. Sorry for this delay. NMR Facility Manager 10/11/2021
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ALERT ! GG500 – IMMINENT PROBE CHANGE- BBO to TBI
Hello Users We will be replacing the current double resonance BBO Probehead with the triple resonance TBI Probehead, on Monday, the 11th. The instrument will be busy for this purpose, roughly for 3 hours beginning 10 AM on that day. This is a quick note. I will follow this with another later, that will provide […]
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FACILITY UPDATE ! ALL SYSTEMS BACK TO NORMAL – 17 Sep 2021
NMR machines are ready for use. Vitals have been checked and they are OK. Feel free to communicate any abnormal behavior, just in case. The FTP server is up and running also. NMR Facility Manager 9/17/2021
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UPDATE : AV500 – SHIM SYSTEM TAMED – MOSTLY
Dear Users I mentioned last week that a couple of hardware related issues need addressing and this is an update about the first and foremost of them : getting consistent results from Topshim method of shimming for all Lock Solvents. The root cause for the sporadic failure of Topshim, especially for weak lock signals […]
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ALERT ! AV500 – HEADS UP ON THE SHIM RELIABILITY
Dear Users Some of you might have noticed the following but may have chosen to ignore this, since it didn’t affect your 1H spectra much. The current TXO probe is not providing good 2H based shimming results and it needs some close attention. Currently, the instrument can fail to give you good lineshape or Topshim […]
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UPDATE : AV300 – SYSTEM BACK TO NORMAL
Dear Users I have checked that the ATMA operation is now as expected. Please let me know if you notice anything otherwise. If any of you use a lock solvent that is typically out of the ordinary and if you face an ATMA problem, please contact me immediately. It will be a great help. NMR […]
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ALERT ! AV300 – DOWN DUE TO PROBE ISSUE
Dear Users The ATMA function is not giving the expected result and it is being looked into. The instrument will be down until further notice. Please look for an update from me on this later today. NMR Facility Manager 8/13/21
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UPDATE ! AV500 – TXO -19F DEDICATED PROBE IS INSTALLED AND READY
Dear Users In continuation of my Imminent Probe Change announcement last, I would like to update the following. AV500 now has the 19F capability ! Installed Probe : TXO – 19F,13C {1H} – Z Gradient We all have been using this probe via the IconNMR interface in the recently retired DRX499 system. So, now […]
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UPDATE ! GG-500 IS OPEN FOR BUSINESS !!!
Dear NMR Users ! The long wait is over ! We are proud to present the Latest Additon to our family : GG500 Currently Installed Probe : BBO 1H {X} – Z Gradient (PLEASE NOTE : The 19F capability […]
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