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Reacted copper(II) concentrations in earlywood and latewood of micronized copper-treated Canadian softwood species

  • Wei Xue , Pierre Kennepohl and John N.R. Ruddick EMAIL logo
Published/Copyright: October 25, 2014
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Holzforschung
From the journal Holzforschung Volume 69 Issue 4

Abstract

Electron paramagnetic resonance was used in conjunction with X-ray fluorescence spectroscopy to quantify total copper and reacted copper retentions in MCQ and MCA treated Canadian red pine sapwood and western hemlock heartwood. Total copper retentions were distinctly different between earlywood and latewood of both softwood species examined. Earlywood of red pine sapwood had higher total copper content than the latewood, while western hemlock heartwood had higher total copper contents in latewood than earlywood. The reacted copper concentrations were similar in earlywood and latewood, reflecting a similar capacity of each to solubilize and complex the reacted copper.

Keywords: electron paramagnetic resonance (EPR); micronized copper azole (MCA); micronized copper preservative (MCQ); Pinus resinosa; reacted copper; red pine; total copper content; Tsuga heterophylla; western hemlock; wood protection; X-ray fluorescence (XRF)
Corresponding author: John N.R. Ruddick, Department of Wood Science, The University of British Columbia, 2424 Main Mall, Vancouver, BC, Canada V6T 1Z4, e-mail:

Acknowledgments

The authors are pleased to acknowledge the technical support provided by Ravi Parhar in preparing the samples and for measurement of the total copper content. We also acknowledge the financial support from Osmose, Inc., and Timber Specialties Co. for Wei Xue and Ravi Parhar, as well as material support for this research.

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Received: 2014-4-22
Accepted: 2014-9-23
Published Online: 2014-10-25
Published in Print: 2015-5-1

©2015 by De Gruyter

Articles in the same Issue

  1. Frontmatter
  2. Review Articles
  3. A large-scale test set-up for measuring VOC emissions from wood products under laboratory conditions in simulated real rooms
  4. Industrial waste water for biotechnological reduction of aldehyde emissions from wood products
  5. Original Articles
  6. Light scattering characterization of lignosulfonate structure in saline solutions
  7. Differences in wood properties of Picea abies L. Karst. in relation to site of provenance and population genetics
  8. Rapid determination of biomass and polypropylene in three types of wood plastic composites (WPCs) using FTIR spectroscopy and partial least squares regression (PLSR)
  9. Thermal modification of Southern pine combined with wax emulsion preimpregnation: effect on hydrophobicity and dimensional stability
  10. Mixed-mode fracture toughness of bond lines of PRF and PUR adhesives in European beech wood
  11. Effect of specimen dimension and pre-heating temperature on supercritical CO2 dewatering of radiata pine sapwood
  12. Sound absorption of wood-based materials
  13. Threshold for ion movements in wood cell walls below fiber saturation observed by X-ray fluorescence microscopy (XFM)
  14. Oxygen plasma treatment of bamboo fibers (BF) and its effects on the static and dynamic mechanical properties of BF-unsaturated polyester composites
  15. A combined view on composition, molecular structure, and micromechanics of fungal degraded softwood
  16. Morphological changes induced in wood samples by aqueous NaOH treatment and their effects on the conversion of cellulose I to cellulose II
  17. Young’s modulus and shear modulus of solid wood measured by the flexural vibration test of specimens with large height/length ratios
  18. Effects of cell wall ultrastructure on the transverse shrinkage anisotropy of Scots pine wood
  19. Short Note
  20. Reacted copper(II) concentrations in earlywood and latewood of micronized copper-treated Canadian softwood species
https://doi.org/10.1515/hf-2014-0128
Keywords for this article
electron paramagnetic resonance (EPR); micronized copper azole (MCA); micronized copper preservative (MCQ); Pinus resinosa; reacted copper; red pine; total copper content; Tsuga heterophylla; western hemlock; wood protection; X-ray fluorescence (XRF)

Articles in the same Issue

  1. Frontmatter
  2. Review Articles
  3. A large-scale test set-up for measuring VOC emissions from wood products under laboratory conditions in simulated real rooms
  4. Industrial waste water for biotechnological reduction of aldehyde emissions from wood products
  5. Original Articles
  6. Light scattering characterization of lignosulfonate structure in saline solutions
  7. Differences in wood properties of Picea abies L. Karst. in relation to site of provenance and population genetics
  8. Rapid determination of biomass and polypropylene in three types of wood plastic composites (WPCs) using FTIR spectroscopy and partial least squares regression (PLSR)
  9. Thermal modification of Southern pine combined with wax emulsion preimpregnation: effect on hydrophobicity and dimensional stability
  10. Mixed-mode fracture toughness of bond lines of PRF and PUR adhesives in European beech wood
  11. Effect of specimen dimension and pre-heating temperature on supercritical CO2 dewatering of radiata pine sapwood
  12. Sound absorption of wood-based materials
  13. Threshold for ion movements in wood cell walls below fiber saturation observed by X-ray fluorescence microscopy (XFM)
  14. Oxygen plasma treatment of bamboo fibers (BF) and its effects on the static and dynamic mechanical properties of BF-unsaturated polyester composites
  15. A combined view on composition, molecular structure, and micromechanics of fungal degraded softwood
  16. Morphological changes induced in wood samples by aqueous NaOH treatment and their effects on the conversion of cellulose I to cellulose II
  17. Young’s modulus and shear modulus of solid wood measured by the flexural vibration test of specimens with large height/length ratios
  18. Effects of cell wall ultrastructure on the transverse shrinkage anisotropy of Scots pine wood
  19. Short Note
  20. Reacted copper(II) concentrations in earlywood and latewood of micronized copper-treated Canadian softwood species
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