Determination of Moisture Content of Wood by Pulsed Nuclear Magnetic Resonance

Authors

  • Allan R. Sharp
  • M. Thomas Riggin
  • Reinhold Kaiser
  • Marc H. Schneider

Keywords:

Picea glauca, Acer saccharum, nuclear magnetic resonance, moisture content, moisture meters

Abstract

Pulsed nuclear magnetic resonance techniques have been used to measure the moisture content of sugar maple and white spruce sapwood in the range from 0 to 176%. The technique is found to be complementary to other methods of measuring moisture content in wood-cellulose systems.

References

Abragam, A. 1961. Principles of nuclear magnetism. Oxford Press, London.nCarles, J. E. and Scallan, A. M. 1973. The determination of the amount of bound water within cellulosic gels by NMR spectroscopy. J. Appl. Poly. Sci. 17:1855-1865.nChemical Rubber Co. 1971-1972. Handbook of chemistry and physics, 52nd edition.nFarrar, T. C., and Becker, E. D. 1971. Pulse and Fourier transform NMR. Academic Press, New York.nE. Forslind, 1971. NMR wide-line studies of water sorption and hydrogen bonding in cellulose. NMR: Basic Principles and Progress 4:145-166.nKollmann, F. and Hockele, G. 1962. Kritischer Vergleich einiger Bestimmungsverfahren der Holzfeuchitigkeit. Holz als Roh-und Werkstoff 20:461-465.nNanassy, A. J. 1973. Use of wide line NMR for measurement of moisture content in wood. Wood Sci. 5:187-193.nNanassy, A. J. 1974. Water sorption in green and remoistened wood studied by the broad-line component of the wide-line NMR spectrum. Wood Sci. 7:61-63.nPanshin, A. J. and de Zeeuw, C. H. 1970. Textbook of wood technology, 3rd edition. McGraw-Hill, New York.nPoole, C. P. and Farach, H. A. 1971. Relaxation in magnetic resonance. Academic Press, New York.nRiggin, M. T., Sharp, A. R., Kaiser, R., and Schneider, M. H. 1979. Transverse NMR relaxation of water in wood. J. Appl. Poly. Sci. 23(in press).nSchumacher, R. T. 1970. Magnetic resonance. Benjamin, New York.nSkaar, Christen. 1972. Water in wood. Syracuse Univ. Press.nSlichter, C. P. 1963. Principles of magnetic resonance. Harper and Rowe, New York.nSwanson, T., Stejskal, E. O., and Tarkow, H. 1962. NMR Studies on several cellulose-water systems. Tappi 45:929-932.nU.S. Forest Products Laboratory. 1974. Wood handbook. Agricultural Handbook No. 72(rev.), U.S. Dep. Agric., Washington, D.C.n

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Published

2007-06-28

Issue

Number 2 / Summer 1978

Section

Research Contributions

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