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Influence of carboxylic acids on fixation of copper in wood impregnated with copper amine based preservatives
Humar, Miha (Author), Kalan, Polona (Author), Pohleven, Franc (Author), Šentjurc, Marjeta (Author)

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Abstract
The importance of copper/amine based preservatives is increasing. Leaching of copper from wood preserved with these solutions is still higher than leaching from wood impregnated with copper chromium ones. In order to decrease leaching, different carboxylic acids (octanoic, 2-ethylhexanoic, decanoic) were added to copper/amine/boron aqueous solutions. An experiment of leaching of copper from Norway spruce was performed according to the modified standard procedure (EN 1250). Results confirmed that carboxylic acids significantly improve copper fixation. The best fixation was determined in specimens impregnated with the preservative solutions consisting of copper, ethanolamine, boric acid and octanoic acid. From such wood, only 1.6% of copper was leached.

Language:English
Keywords:zaščita lesa, baker, karboksilna kislina
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:BF - Biotechnical Faculty
Year:2005
Number of pages:Str. 685-693
Numbering:Vol. 39, no. 8
UDC:630*844
ISSN on article:0043-7719
COBISS.SI-ID:1349257 This link opens in a new window
Views:749
Downloads:189
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Record is a part of a journal

Title:Wood Science and Technology
Shortened title:Wood Sci. Technol.
Publisher:Springer
ISSN:0043-7719
COBISS.SI-ID:9151749 This link opens in a new window

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