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Analysis of Characteristics of In-Line Magnetic Resonance Sensor

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Abstract:

This study was performed to show the feasibility of nuclear magnetic resonance (NMR) techniques for quality evaluation of various agricultural and food products. A real-time in-line NMR quality evaluation sensor was designed, constructed and tested. The device consists of an NMR spectrometer coupled to a conveyor system and a data acquisition system. The conveyor was run at speeds ranging from 0 to 300 mm/s. An NMR signal can be detected when a sample is within ±50 mm of the NMR coil center. The response of NMR sensor was tested using several fruits. The results showed a feasibility of an NMR sensor for evaluating internal quality of various fruits.

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Periodical:

Key Engineering Materials (Volumes 321-323)

Pages:

1221-1224

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.321-323.1221

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Online since:

October 2006

Authors:

Seong Min Kim, Michael J. McCarthy

Keywords:

Characteristic, Fruits, In-Line Magnetic Resonance Sensor, NMR Signal

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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References

[1] P. Chen and Z. Sun: J. agric. Engng Res., 49(1991), p.85.

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[2] M.J. McCarthy: Magnetic Resonance Imaging in Foods (Chapman & Hall, USA 1994).

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[3] S.M. Kim, P. Chen, M.J. McCarthy and B. Zion: J. agric. Engng Res., 74(1999), p.293.

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[4] M.J. McCarthy and S. Bobroff: Nuclear Magnetic Resonance and Magnetic Resonance Imaging for Process Analysis. Encyclopedia of Analytical Chemistry (John Wiely & Sons Ltd., USA 2000).

DOI: 10.1002/9780470027318.a2112

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