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Journal of Wood Science

Official Journal of the Japan Wood Research Society

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Rapid prediction of wood crystallinity in Pinus elliotii plantation wood by near-infrared spectroscopy

Journal of Wood Science volume 53, pages 449–453 (2007)Cite this article

Abstract

Crystallinity is an important property of woody materials; it responds to tree growth traits, structure, and chemical composition, and has a significant effect on Young’s modulus, dimensional stability, density, and hardness, etc. The ability of near-infrared (NIR) spectroscopy coupled with multivariate analysis to rapidly predict the crystallinity of slash pine (Pinus elliotii) plantation wood was investigated. The results showed that the NIR data could be correlated with the X-ray diffraction (XRD)-determined crystallinity of slash pine wood by use of partial least squares (PLS) regression, producing excellent coefficients of determination, r 2, and root mean square error of calibration, RMSEC. The use of either reduced spectral ranges or the selection of certain wavelengths consistent with known chemical absorptions did not have any detrimental effect on the quality of PLS models allowing the use of inexpensive, small, and portable spectrometers. These studies show that NIR spectroscopy can be used to rapidly predict the crystallinity of slash pine wood.

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Authors and Affiliations

  1. International Center for Bamboo and Rattan, Beijing, 100102, China

    Ze-Hui Jiang

  2. Research Institute of Wood Industry, Chinese Academy of Forestry, Wanshou Shan, Beijing, 100091, China

    Ze-Hui Jiang & Zhong Yang

  3. Utilization of Southern Forest Resources, Southern Research Station, USDA Forest Service, Pineville, LA, 71360, USA

    Chi-Leung So & Chung-Yun Hse

  4. School of Renewable Natural Resources, Louisiana State University Agricultural Center, Baton Rouge, LA, 70803, USA

    Chi-Leung So

Authors
  1. Ze-Hui Jiang
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  2. Zhong Yang
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  3. Chi-Leung So
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  4. Chung-Yun Hse
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Correspondence to Zhong Yang.

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Jiang, ZH., Yang, Z., So, CL. et al. Rapid prediction of wood crystallinity in Pinus elliotii plantation wood by near-infrared spectroscopy. J Wood Sci 53, 449–453 (2007). https://doi.org/10.1007/s10086-007-0883-y

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  • DOI: https://doi.org/10.1007/s10086-007-0883-y

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