Abstract
The evaluation of the sensitivity of magnetic resonance tomography with a magnetic field of 7 T based on the detection of 19F NMR signals was performed with the use of the solutions of trifluoroacetic acid, 1,1,1,3,3,3-hexafluoroisopropanol and sym-nonafluoroneopentanol, whose 19F NMR spectra consist of single line signals. The scanning of a 12×12cm zone with a resolution of 1.2mm and a cut thickness of 4mm for 10min gave reliable images if the local concentration of 19F atoms in the test zone exceeded 0.3–0.6%.
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