Apparatus for nuclear electron double resonance at 12500 gauss

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Abstract

Apparatus is described for measuring nuclear electron double resonances a t magnetic fields of 12500 G, in the microwave radiation of about 35000 Mc/s and at nuclear resonance frequencies from 3 to 60 Mc/s. The microwave circuit permits saturation of solutions of certain organic free radicals in solution in non-polar solvents when placed in a microwave cavity with a radio-frequency coil mounted inside. The resolving power of the nuclear resonance spectrometer is better than 1 in 10 8 . Recordings are presented to illustrate the performance of the apparatus.

Publisher

The Royal Society

Subject

Pharmacology (medical)

Reference7 articles.

1. Anderson W. E. i 960 N.m.r. ande.p.r. spectroscopy Varian Ass. London: Pergamon.

2. Evans B. A. & Richards R. E. i 960 J. Sci. Instrum. 37 353.

3. Proc. Roy;Richards R. E.;Soc. A,1962

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1. Sir Rex Edward Richards. 28 October 1922—15 July 2019;Biographical Memoirs of Fellows of the Royal Society;2021-03-10

2. Richards, Rex: Development of NMR in Oxford;Encyclopedia of Magnetic Resonance;2007-03-15

3. Experimental setup for enhanced 13C NMR spectroscopy in solids using dynamic nuclear polarization;Journal of Magnetic Resonance (1969);1983-05

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