UW CHEMISTRY NMR
Announcments & Equipment Logs
October, 2013
DRX499 : ALERT – PROBE CHANGE TOMORROW
The currently installed BBI probe with a malfunction needs to be sent for repairs. By tomorrow afternoon this probe will be pulled out and the backup triple resonance 1H-{13C, 15N} probe will be put in place and primed. The replacement probe should be ready by noon on Monday, the 28th Oct ’13. Users are requested […]
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ALERT : AV700 – PROBE CHANGE
The current solutions probe will give way to the 3.2 mm Solid State MAS probe on 28th October, 2013, Monday. Solution NMR users are requested to take note and plan their runs accordingly.
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DRX499 : ALERT – BBI PROBE HANDICAP
Some of the capacitors inside the BBI probe are de-rating and this leads to the following behavior. Whenever a gradient based experiment is performed, the pulse gradients affect the tuning and matching of the probe such that the wobb curve will be way off at the end of the experiment, leading to poor or no […]
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AV301 : UPDATE – 1H {19F, 13C} probe ready for use
Please remember to load the standard shim file stdtxd before you begin shimming. Pay attention to the fact that the RF cable should be switched from the 13C connector on the probe to 19F connector, when you perform 19F direct detection. Please leave the cable back in 13C position once you are done. Contact facility […]
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ALERT : AV301 – PROBE CHANGE
The currently serving double resonance 1H {13C} backup probe in AV301 will give way to the TXD-1H{19F,13C} probe, beginning Oct. 21st, Monday. The probe is expected to be ready before noon. Users are requested to note the change.
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