Solvent suppression method for LC-NMR and high-resolution-NMR

Details Solvent suppression method for LC-NMR and high-resolution-NMR Solvent suppression method for LC-NMR and high-resolution-NMR

1996-12-23

1998-12-08

Arana, Louis M.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324300, G01V 300

Patent

active

058475648

ABSTRACT:
Improved solvent suppression in NMR data is achieved using pulse sequences wherein each of a series of selective excitation pulses are followed by a magnetic gradient pulse and a delay, where the magnetic gradient pulse amplitudes monotonically decrease by a selected fraction of the preceeding gradient pulse. Decoupling a second nucleus during selective excitation pulses has been shown to be efficacious for suppression of organic solvents.

REFERENCES:
patent: 5345174 (1994-09-01), Kimmich et al.
patent: 5410249 (1995-04-01), Van Yperen et al.
patent: 5544652 (1996-08-01), Duyn
patent: 5677628 (1997-10-01), Watanabe et al.
Valk et al. Basic Principles of Nuclear Magnetic Resonance. Elsevier Science Publishing Company, Inc., New York, pp. 56-63, 1995.

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