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Citric acid and sorbitol treatment: A comparative study of Canadian and Norwegian species
2024 - IRG/WP 24-30806
Dimensional instability can reduce the competitiveness of wood in exterior applications such as cladding and decking. The objective of this work was to evaluate the dimensional stability of permeable and refractory softwoods from Europe and North America modified via a sorbitol and citric acid treatment. White spruce and Norwegian spruce, refractory species, and jack pine and Scots pine, relativel...
D Schorr, Erik Larnøy, R Stirling, G Boivin
Leaching and chemical redistribution of CCA components in refractory heartwood of E. nitens
2024 - IRG/WP 24-41011
Chromated Copper Arsenate (CCA) is a wood preservative widely used to protect against fungal and insect attack. The fixation mechanism of CCA involves complex chemical reactions, including the reduction of chromium (VI) to chromium (III) and the formation of insoluble complexes. Despite fixation efforts, a portion of CCA components tends to leach from treated wood, influenced by factors like wood ...
J R Vargas, L Yermán, K C Wood, T Singh