UW CHEMISTRY NMR
Announcments & Equipment Logs
Usage
NEO500 USAGE PRACTICE – REMINDER
Like all instruments, NEO500 also has a walk-on usage policy where the software allows only a maximum of 60 minutes time during the day for a given sample. The software automatically queues longer experiments to so-called ‘Night Mode’ and runs them overnight. We are hearing that some users are stepping around this limitation by programming […]
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NEWS ! GG500 – WE ARE ADDING AN AUTOMATED SAMPLE CHANGER
Dear Users In the span of next week, you will see a ‘twin incarnation’ of the automatic sample handler that you see on NEO500 called SampleCase, appearing alongside the GG500 system and tested. We will give a headsup as to when this will happen with as much lead time as possible, but the installation process […]
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UPDATE ! GG500 – OLD DATASETS RESTORED
Dear Users We have restored the raw datasets from the failed computer that went down around 2nd Apr., into the new system. All the active users in our database should be able to access their old datasets via the phoenix server. If something is missing, please contact us and let us know. I would repeat […]
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UPDATE ! GG500 – READY FOR RESERVATION AND USE
Dear NMR community GG500 instrument is ready for use again. Please note the following : Topshim is working nominally. For deuterium based lock solvents, which means the majority of them, the shimming happens along the Z-axis only (known fact and a feature of the spectrometer hardware). You can start Topshim after loading the default starting […]
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REMINDER ! NEO500 – ANNUAL CRYOPROBE MAINTENANCE TOMORROW
Dear Users This is a gentle reminder that the instrument won’t be available for regular use from the morning of 20 Feb, Tuesday until approximately the evening of 21st Feb, Wedensday. The acquisition queue should be available for routine use by 5 pm on Wednesday. If anything changes we will strive to inform you as […]
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UPDATE – NEO500 : SYSTEM NORMAL
All It looks like some one has pushed on the red safety lever on the Carousel and triggered an error condition. Please refer to my earlier post on this topic : UPDATE ! NEO500 – SYSTEM UP – USER ERROR CAUSED INTERRUPTION Please pay attention to this simple step and avoid disruption of service for […]
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ALERT ! NEO500 – UPCOMING PRODIGY CRYOPROBE MAINTENANCE
Dear Neo500 Users Please be informed that an annual routine maintenance for the Prodigy cryoprobe system is scheduled starting next week, Tuesday, the 20th Feb ’24. The instrument won’t be available for regular pulsing for two days, starting the morning of Tuesday. Any pending preventive maintenance tasks will be rolled into this schedule as well. […]
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UPDATE – GG500 : SHIM SYSTEM OPTIMIZED
Dear Users Following the troubleshooting of sample injection issue a day ago, the shim system neeeded to be optimized properly to get the desired resolution. This has been completed now. A sample outcome is shown above. Please put to good use the optimized shim set by entering “rsh iProbe” on the command line. Then you […]
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ALERT ! NEO500 – BUFFER SAMPLE TUBE RACK IS OVERFLOWING
Dear All It is Friday and before you unwind for the week, please get to Bagley 33 and pick up your abandoned sample tubes from the overflow rack (at the least) as soon as possible. If you do not claim it, before the end of the day, the tubes will disappear ! Thank you for […]
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ALERT ! NEO500 (AND OTHER INSTRUMENTS) PLEASE DO NOT DO THIS !
Dear Users Please do not place a disruptive sample label like the one I show below in the picture on your NMR tube and try to load it in the system. There are specific NMR sample tube labels available that completely wrap around the tube so that it does not obstruct sample Inject and Eject […]
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