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Protective effect of chromium trioxide and ferric nitrate against weathering of fir wood

The aim of this work was to investigate the effectiveness of chemical treatments with chromium trioxide and ferric nitrate in preventing wood deterioration during artificial weathering. This was assessed by changes in the zero-span tensile strength loss of thin early wood strips. FTIR transmission spectroscopy was used to study chemical changes taking place at the wood surface upon treatment and during weathering. The results indicate that treatments of wood with chromium trioxide and ferric nitrate don't have protective effect during weathering.

wood modification ; chromium trioxide ; ferric nitrate ; fir wood strip (Abies alba Mill.) ; zero-span tensile strength ; FTIR spectroscopy

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