UW CHEMISTRY NMR

Announcments & Equipment Logs

October, 2012

DRX499 VT Status change

The DRX499 is currently unable to do variable temperature experiments.  Please plan your experiments accordingly.  DO NOT ATTEMPT LOW OR HIGH TEMP EXPERIMENTS OR DEVIATE FROM 298K UNTIL FURTHER NOTICE.  We will post as soon as the DRX499 is back to normal VT availability.

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AV500 UPDATE : BF1 SHIFT COMPLETE

The Base Frequency of the spectrometer is now reset to : 499.956572 MHz. Getting the line shape close to factory spec is still a work in progress. But, the current resolution achieved is comparable to the values with which we were operating prior to the frequency shift.  Existing user created parameter sets and the Bruker […]

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AV500 : PRINTING UPDATE

Users can now do both an ‘active screen’ dump to the printer as well as bring up XWINPLOT program and plot the spectra via that route.  Please post a comment in the log if you observe anything otherwise.

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AV500 : PLANNED PROBE CHANGE and B0 FIELD CHANGE

The X{1H} -Z grad BBO probe will be tested and installed on 26th Oct’12, Friday.  The probe optimization will be performed over the weekend and the probe should be ready for use by Monday, the 28th of Oct ’12.  Along with this operation, the B0 field will be readjusted to re-position the LOCK field to […]

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AV800 : CRYOPROBE WALK-ON TIME AVAILABLE

Users who want to utilize the 800 MHz cryoprobe facility during the walk-on period next week between 22nd and 24th should contact the facility manager with your specific needs by the end of today, 19th Oct ’12.  The slots will be filled on a first-come-first-serve basis.

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UPDATE ! DRX499 IS UP

Please let us know if you notice anything unusual.  The system will be monitored closely.

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DRX499 DOWN

The NMR console firmware is corrupted.  The instrument will be unusable until this is fixed. It is estimated that the system will be down until tomorrow morning i.e. Friday ,12 Oct 2012.Updates will be posted once progress is made.

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ALERT ! PHOENIX IS UP

Data download can proceed now.  Please let me know if you are facing any difficulty.

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Alert ! Phoenix server down

Working on it. Will post an update once the system is up again.

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AV500: Automation Scripts Functional

All the stock Bruker au programs, such as multizg, multi_zgvt, multi_zgvd, etc.  are operational once again. If users have their own au scripts, they should compile automatically, the first time you invoke them.   If you face any difficulty, please contact the facility manager.

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