UW CHEMISTRY NMR

Announcments & Equipment Logs

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 signal.    This probe will be sent to the manufacturer for repairs (within days) and until that time, users are requested to refrain from using the gradients with this probe.


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