Summary
Fluorescence spectroscopy has been suggested as an important tool for identification of timber (Krishna, Chowdhury 1935; Dyer 1988; Sum et al. 1991). In the present study measurements of fluorescence excitation and emission spectra from solid wood blocks, powder and their extract in methanol from heartwood ofAcacia nilotica (Babul),Albizia lebbek (Kokko),Pterocarpus marsupium (Bijasal),Toona ciliata (Toon),Tectona grandis (Teak) andEucalyptus tereticornis (Eucalypt) have been made. Fluorescence spectra obtained from solid dry wood is independent of excitation wavelength, whereas those obtained from extracts exhibited excitation wavelength dependence indicating presence of many fluorescent chemicals. The need for systematic study of wood extracts in different polar and nonpolar solvents, which would be useful for purposes of identification of wood species, is stressed.
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We wish to thank Mr. A. K. Ananthanarayana, Head, W. S. P. Division, for useful suggestions. Mrs. B. S. Kamala, Scientist-SE, W. P. U. Division, for providing identified samples of wood and Professor H. B. Tripathi of Kumaun University, Nainital, for providing facilities for recording fluorescence spectra
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Pandey, K.K., Upreti, N.K. & Srinivasan, V.V. A fluorescence spectroscopic study on wood. Wood Sci.Technol. 32, 309–315 (1998). https://doi.org/10.1007/BF00702898
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DOI: https://doi.org/10.1007/BF00702898