Dear AMMRLers,
I am looking to build/buy an injection system for one of our NMRs
equipped with either a 5 RT mm probe or cryoprobe whereby a gas and/or
liquid could be injected into a tube already resting in the probe at
variable temperature. The goal is to reduce the amount of sample
handling when trying to study reactive intermediates and to have an
approachable method to doing NMR kinetics quickly.
Because there is a large amount of creativity and variability possible
in such a system, I was curious what the community has developed and for
what purposes it was developed. I am hoping that you will share your
descriptions about your setups, and perhaps blueprints if available. I
have seen a couple of commercial items and I would also appreciate any
user reviews about those from people who have used them.
The system does not need to be in flow nor does it need to be under
pressure. The largest volume thus far of liquid to inject will be <= 100
uL but likely ~10 uL, and the material should be chemically resistant as
our users would like to use TfOH and Tf2O. I've found piping to make a
very basic system but my primary concern is the effectiveness of mixing
after injection. If people are willing to share their ideas, I will post
a summary of the responses.
Sincerely,
Paul
--
Dr. Paul White
Institute for Molecules and Materials
Radboud University Nijmegen
+31 (0)24 365 2959
P.White_at_science.ru.nl
Received on Tue Oct 04 2016 - 05:23:49 MST