Method and sample spinning apparatus for measuring the NMR spect

Details Method and sample spinning apparatus for measuring the NMR spect Method and sample spinning apparatus for measuring the NMR spect

1989-06-27

1990-11-06

Williams, Hezron E.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324307, G01R 3320

Patent

active

049689380

ABSTRACT:
An improved NMR apparatus and method are described which substantially improve the resolution of NMR measurements made on powdered or amorphous or otherwise orientationally disordered samples. The apparatus spins the sample about an axis. The angle of the axis is mechanically varied such that the time average of two or more Legendre polynomials are zero.

REFERENCES:
patent: 4301410 (1981-11-01), Wind et al.
patent: 4352066 (1982-09-01), Kendrick et al.
Azevedo, L. J., "Rotating Sample Holder Without Mechanical Linkages", Rev. Sci. Instrum, 50 (2), Feb. 1979.
Gates et al., "Low Temperature Sample Holders . . . Rotation About Two Orthogonal Axes", Rev. Sci. Instrum, 47 (1), Jan. 1976.

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