EXAFS study of chromated copper arsenate timber preservative in wood

Copper and arsenic K-edge X-ray absorption fine structure spectroscopy (EXAFS) of pine wood (Pinus radiata) treated with chromated copper arsenate (CCA) timber preservative have been measured. Refinement of the data is consistent with arsenate anions bound to chromium and copper ions isolated from o...

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Veröffentlicht in:Journal of wood science 2000-06, Vol.46 (3), p.248-252
Hauptverfasser: Bull, D.C. (University of Canterbury, Christchurch (New Zealand)), Harland, P.W, Vallance, C, Foran, G.J
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Sprache:eng
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Zusammenfassung:Copper and arsenic K-edge X-ray absorption fine structure spectroscopy (EXAFS) of pine wood (Pinus radiata) treated with chromated copper arsenate (CCA) timber preservative have been measured. Refinement of the data is consistent with arsenate anions bound to chromium and copper ions isolated from other heavy elements, regardless of depth into the wood. This constitutes the first substantive analysis of CCA's fixation products and has a number of implications for models of fixation.
ISSN:1435-0211
1611-4663
DOI:10.1007/BF00776457