UW CHEMISTRY NMR

Announcments & Equipment Logs

May, 2016

UPDATE ! ALL SYSTEMS BACK TO NORMAL

The network issue has been identified and rectified.  All NMR host computers are functioning as expected. p.s.: Sorry for the cliche, but users have taken the liberty to reboot couple of the computers, thinking that they are solving the problem.  They were hanging and it did not help. Please refrain from this practice.  You are […]

Posted in Host Computer, Operating System | No Comments »

ALERT ! POSSIBLE NETWORK ISSUES SLOWING DOWN NMR COMPUTERS !

We are aware of the facility wide network slow down that makes login and regular use difficult.  We are looking into it.  Please wait for further update before you plan to start the runs.  Your unused times will be waived of any charges. NMR Facility Manager 5/23/16

Posted in Spectrometer, Usage | No Comments »

UPDATE ! AV500 – GOOD OLD BBI PROBE IS BACK…

We have managed to fix the X-channel in house and also replaced broken parts where the sample resides inside the probehead.   Since things look  pretty good with the probe (see image of water suppression : BBI_Sucrose_ES_after_fix ) we are releasing the instrument for use  with BBI probe in place.   We will check a few more […]

Posted in Hardware, Spectrometer | No Comments »

UPDATE ! AV500 – OPEN FOR USE AGAIN – NOTE PROBE CHANGE

Please note that the probe that has been pu in is the BBO with Z-gradient. General:  Similar to the BBI probe, you use the rotary tool to tune 1H channel.  For the X-channel i.e. 13C, 31P, etc., you use the slider tool.    Please be gentle with both of them.  If this probe breaks in short […]

Posted in Spectrometer, Usage | No Comments »

UPDATE ! AV500 – PROBE CHANGE TAKING PLACE

The BBI probe  X-channel needs extensive troubleshooting to fix the tuning/matching problem outlined earlier. In its place, we have put the BBO probe as a surrogate. Since this is the first time this probehead is being used in this magnet, it might take longer than usual to prep the probe with optimal shims etc.  We […]

Posted in Hardware, Spectrometer | No Comments »

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