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The use of variable temperature and magic-angle sample spinning in studies of fulvic acids

Journal of Magnetic Resonance

By:
, ,
DOI: 10.1016/0022-2364(87)90337-4

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Abstract

Intensity distortions and poor signal to noise in the cross-polarization magic-angle sample spinning NMR of fulvic acids were investigated and attributed to molecular mobility in these ostensibly "solid" materials. We have shown that inefficiencies in cross polarization can be overcome by lowering the sample temperature to about -60??C. These difficulties can be generalized to many other synthetic and natural products. The use of variable temperature and cross-polarization intensity as a function of contact time can yield valuable qualitative information which can aid in the characterization of many materials. ?? 1987.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
The use of variable temperature and magic-angle sample spinning in studies of fulvic acids
Series title:
Journal of Magnetic Resonance
DOI:
10.1016/0022-2364(87)90337-4
Volume
74
Issue:
2
Year Published:
1987
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
264
Last page:
274
Number of Pages:
11