A temperature-jump design for conventional NMR probes.
The design and performance of a simple probe insert for temperature-jump experiments in conventional NMR probes is described. The insert uses the output from conventional NMR amplifiers for heating conductive aqueous samples with a rate of 30-80 K/s for 200 W radiofrequency power. The observed dependence of the heating rate on sample conductivity is explained by the dominance of dielectric heating. Factors governing the temperature gradient within the sample are discussed.
Yushmanov
Pavel V
PV
Department of Chemistry, Division of Physical Chemistry and Industrial NMR Center, Royal Institute of Technology, SE-10044 Stockholm, Sweden.
Furó
István
I