Inventors:
Frank K. Schweighardt - Allentown PA
Joseph A. Rubertone - Coatesville PA
Assignee:
Air Products and Chemicals, Inc. - Allentown PA
International Classification:
G01N 3100, G01N 2400, A61K 31335
Abstract:
A method is disclosed for nuclear magnetic resonance spectroscopy wherein the improvement is the use of perfluoro 15-crown-5 ether which has 20 magnetically similar fluorine providing a superior signal to noise ratio with resultant enhanced diagnostic resolution.