Hi,
Is it possible to have a cryoshim fail intermittently? I made a full
drift measurement over 13 hours last night as outlined by Charlie Fry and
saw very little drift AND very little change in peak shape... but, on the
same sample on other days, I've seen peak shape degrade over a few hours
("lock" was on though so I don't know if center position drift happened
during those data collections). In fact, a student used the spectrometer
this morning after me and saw large degradation in peak shape over the
course of his 1.5 hour experiment.
Thanks for all your help!
Wendy
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Received on Thu Aug 15 2024 - 13:24:36 MST