Hello everybody!
We would like to be able to accurately integrate 2H data. So far we run
our experiments without lock and obtain quite good qualitative spectra.
However, the baseline is far from being perfect and occasionally we can
also observe some strong glitches. Temperature is stabilized and the
sample does not spin during acquisition. What else can be done in order
to improve stability of the instrument without lock?
I've never done experiments using 19F or any other nuclei than 2H for
lock signal. Maybe this would be the only solution. Can anybody tell me
what do I need to run this kind of experiment (probe, other hardware,
software)? Please send me any suggestions: general and specific for our
instruments.
We use an ARX-400 (with BBO probe - Z3918/0041 or BBI - Z3750/0144) and
XWINNMR 1.3. Our new ECX-300 is going to arrive soon. Maybe we can still
order some modifications that will allow us to lock on 19F (or something
else) and observe 2H.
I will post a summary of your responses.
Thank you,
Piotr
Piotr Dobrowolski, Ph.D.
NMR/EPR Manager
Department of Chemistry and Biochemistry
Utah State University
0300 Old Main Hill, Logan UT 84322-0300
telephone: (435) 797-1673
fax: (435) 797-3390
Received on Tue Oct 18 2005 - 18:19:52 MST