Dear all,
So far I have received a dozens of answers. Thanks go to those who generously share your practical experience: Wycoff, Wei G., Matthias Findeisen, McCallum, Scott A., Ray, G. Josep, Hirschinger, Jerry D,, Benjamin Kohn, Guy Bernard, Matt Nethercott, John Edwards, Patrick Tishmack, Tom Pratum, Andre Sutrisno, Dean L. Olson, Boris Itin.
For liquid sample, several options possible: place the liquid sample directly into the rotor, use liquid sample caps(with o-rings), or use inserts( glass, Teflon, Kel-F).
For solids sample shimming, a spinning sample like adamantane is better than a static sample like D2O.
Guangyu
Received on Thu Jun 26 2014 - 23:29:06 MST