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FTIR spectroscopic studies of the reactions of wood and of lignin model compounds with inorganic agents

✍ Scribed by A. J. Michell

Publisher
Springer
Year
1992
Tongue
English
Weight
549 KB
Volume
27
Category
Article
ISSN
0043-7719

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✦ Synopsis

Certain inorganic agents, particularly chromium trioxide, are known to be able to protect wood against weathering. In this paper, the reactions of chromium trioxide, and of some chromic and ferric salts, with wood and with the lignin model compound, guaiacol and derivative, calcium lignosulphonate, have been examined by FTIR reflectance and transmission spectroscopy. Reactions, to different degrees, were obtained with chromium trioxide, and the ferric salts but no reactions with the chromic salts. Intensity changes of bands in the spectra, particularly those near 1,505 and 1,595 cm t, indicate that reaction of the agents with wood ihvolves the aromatic rings of lignin. * This work forms part of a wider project in which the author is engaged with Drs K. J.

Schmalzl and P. D. Evans whom he thanks for their help with various aspects

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