Special Issue: Modern Sensing Technologies

Vol. 90, April 2008, pp. 255-266

A Portable Nuclear Magnetic Resonance Sensor System

¹R. Dykstra, ³M. Adams, ²P. T. Callaghan, ⁴A. Coy, ⁴C. D. Eccles, ²M. W. Hunter, ¹T. Southern, ¹R. L. Ward

¹Institute of Fundamental Sciences, Massey University, Palmerston North, New Zealand

²MacDiarmid Institute of Advanced Materials and Nanotechnology, School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, New Zealand

³Institute for Technical Chemistry and Macromolecular Chemistry, Aachen University of Technology RWTH, D-52056, Aachen, Germany

⁴Magritek Ltd, 32 Salamanca Road, Wellington, New Zealand

E-mail: R.Dykstra@massey.ac.nz

 Received: 15 October 2007   /Accepted: 20 February 2008   /Published: 15 April 2008

Abstract: Nuclear Magnetic Resonance (NMR) is a relatively complex technique and normally requires expensive equipment, however with advances in computing, electronics and permanent magnet technologies, NMR is becoming more feasible as a non-invasive tool for industry. The strength of NMR is its ability to probe at the molecular level and hence gain information about molecular structure, organization, abundance and orientation. This paper presents some of the work being undertaken in developing portable NMR systems for the non-destructive testing of materials such as polymer composites, rubber, timber and concrete.

Keywords: Nuclear magnetic resonance, Non destructive testing, Permanent magnets

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