14N magnetic resonance for materials detection in the field

Nitrogen is prevalent in many materials, both naturally occurring and man-made. In particular, it is found in many explosives and other contraband materials. One technique for the detection of such materials in the field is the use of the magnetic resonance signal from the nearly 100% abundant, spin...

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Bibliographic Details
Published in:Solid state nuclear magnetic resonance 2003-09, Vol.24 (2), p.123-136
Main Authors: Suits, B.H., Garroway, A.N., Miller, J.B., Sauer, K.L.
Format: Article
Language:English
Subjects:
Equipment Design - methods
Explosions - prevention & control
Field measurements
Magnetic Resonance Spectroscopy - instrumentation
Magnetic Resonance Spectroscopy - methods
Materials detection
Materials Testing - methods
Miniaturization - instrumentation
Miniaturization - methods
Nitrogen - analysis
Nitrogen - chemistry
NMR
NQR
Quality Control
Security Measures
Terrorism - prevention & control
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Summary:Nitrogen is prevalent in many materials, both naturally occurring and man-made. In particular, it is found in many explosives and other contraband materials. One technique for the detection of such materials in the field is the use of the magnetic resonance signal from the nearly 100% abundant, spin-1, 14N nuclei. Some of the difficulties with such measurements in the field include spurious signals from acoustic resonances, radio-frequency interference, and generally low signal-to-noise ratios. A summary of recent work by the authors to help mitigate these difficulties is presented.
ISSN:0926-2040
1527-3326
DOI:10.1016/S0926-2040(03)00045-6