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FTIR SPECTRAL DATA OF WOOD USED IN ROMANIAN TRADITIONAL VILLAGE CONSTRUCTIONS

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Author(s): Iuliana Dobrica | Paula Bugheanu | Ioana Stanculescu | C. Ponta

Journal: Analele Universitatii Bucuresti : Chimie
ISSN 1220-871X

Volume: XVII;
Issue: I;
Start page: 33;
Date: 2008;
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ABSTRACT
Oak, fir, acacia and hornbeam wood samples, used in the construction of farm buildings from Arges county, were studied by FTIR spectroscopy to emphasise effects of natural conditions on wood aging. The analyzed wood was indoor and outdoor exposed for different periods between 40 to 100 years. FTIR spectra of the different aged tree species show the characteristic bands of lignin and carbohydrates, only small shifts in position and intensity being observed. The lignin content was determined from the C=C band intensity. The lignin content decreased with the usage period, this finding being confirmed by the relative change in the ratio lignin/carbohydrate reference bands for the oak samples.
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