UW CHEMISTRY NMR

Announcments & Equipment Logs

March, 2014

AV500 : UPDATE ! – TXO – 19F probe change advanced to Monday, the 31st April

The planned probe change of next week is advanced by one day to March 31st, Monday.  After the routine calibrations, the probe head should be ready for use by noon of Tuesday, 1st April ’14. Users are requested to take note.

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AV301 – PROBE CHANGE ALERT ! PABBI – 1H {X-BB} ATMA PROBE WILL COME IN ON 2 APRIL

The existing TXD -1H {19F, 13C} probe will be replaced by the Automatic Tuning/Matching (ATMA) on Wednesday the 2nd April 2014. After the ususal lineshape priming and calibrations, the probe will be released for regular use on Thurday, the 3rd April ’14, approximately by 10.00 am.

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PROBE CHANGE ALERT ! : AV500 PROBE WILL CHANGE TO TXO – 19F {1H,13C} ON 1 APRIL

Please note that the BBO probehead  will give way to the TXO – 19F {1H,13C} triple resonance probe on 1st April, 2014, Tuesday.  After the usual lineshape priming and calibrations, the probe will be released for regular use the next day,  2nd Apr’ 14, approximately by noon.   Users are requested to plan accordingly.

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ALERT ! – UW IT SUPPORT REPORTS : UWNetid login restored

We have tested that the UW netid login to the NMR hosts are working once again.   We are requesting users to get back to their normal login mode i.e. use your UWNetid.  The temporary ‘genuser’ account will be frozen with immediate effect.

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ALERT ! UWNETID LOGIN SYSTEM ISSUES ON MORE THAN ONE NMR HOST

There is an ongoing problem with UW Authentication Servers that is campus wide, affecting mail clients as well as other systems that rely on these servers for login.   In an unfortunately swift U-turn, I have to inform the user base that both AV301 and AV500 can only allow the local ‘genuser’ account login until further […]

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AV301 : UPDATE ! UW NETID LOGIN RESTORED

Users are requested to revert back to their usual UWNetid based login with immediate effect. The ‘genuser‘ account will be frozen immediately.

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ALERT : AV301 TEMPORARY GLITCH – LOGIN SYSTEM REVERTED TO LOCAL ACCOUNT

The LDAP based account needs an upgrade with security certificate and until this is completed, users have to use the genuser account of the past to login the system.  I apologize for the inconvenience.

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AV300 : LOGIN PROBLEM RESOLVED

Users should be able to login without any issues. If not, please do not hesitate to post an entry in the log or contact the facility manager via email. Please include any messages that you notice on the screen.

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AV300 : USER ERROR – PROBLEM RESOLVED

Due to the excessive torque applied by a user on the 1H tuning knob, the capacitor engaging mechanism slipped from its default position and the probe could not be tuned/matched.   This problem is now rectified and the 1H channel is operational.  This calls for another STRONG reminder that users need to be gentle with the […]

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REMINDER : AV800 TIME AVAILABLE NEXT WEEK FOR WALK-ON USERS

Upto 24 hours of NMR time is available on the 800 MHz + cryoprobe system for the walk-on users to avail, beginning noon of Monday, 10th March until noon of Tuesday, 11th March. Please contact the facility manager to block your time, at least by coming Friday, the 7th of March ’14.

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