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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 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.


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Correspondence to Peter W. Harland.

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Bull, D.C., Harland, P.W., Vallance, C. et al. EXAFS study of chromated copper arsenate timber preservative in wood. J Wood Sci 46, 248–252 (2000).

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Key words

  • XAFS
  • Chromated copper arsenate
  • CCA
  • Timber preservative
  • Fixation