Natural and artificial ageing of spruce wood as observed by FTIR-ATR and UVRR spectroscopy

Christelle Ganne-Chédeville (Corresponding Author), Anna-Stiina Jääskeläinen, J. Froidevaux, M. Hughes, P. Navi

Research output: Contribution to journalArticleScientificpeer-review

31 Citations (Scopus)

Abstract

Spruce samples, naturally aged for 200, 400 and 500 years, artificially aged by a hydrothermal treatment (at 180, 160 or 130°C, relative air humidities of 14%, 40%, or 60% and for treatment times between 1 to 50 h), as well as reference samples, were analysed by Fourier transform infrared spectroscopy (FTIR) attenuated total reflection (FTIR-ATR) and ultraviolet resonance Raman (UVRR) spectroscopy. Natural ageing mostly affected the hemicelluloses and lignin, as observed from the FTIR-ATR and UVRR spectra, respectively. The UVRR spectra of the same samples after acetone extraction indicated that lignin was partially degraded and quinone structures were possibly formed. Artificial ageing at 160°C showed a significant change in the lignin structure, a well-known effect in the thermal treatment of wood, whereas treatment at 130°C did not alter the wood structure to any significant extent. Principal component analysis of the UVRR spectra confirmed that the spectra of artificially aged wood up to 160°C are dissimilar to naturally aged wood and which are also dissimilar to unaged wood.
Original languageEnglish
Pages (from-to)163-170
Number of pages8
JournalHolzforschung
Volume66
Issue number2
DOIs
Publication statusPublished - 2012
MoE publication typeA1 Journal article-refereed

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Fourier transform infrared spectroscopy
Raman spectroscopy
Wood
Aging of materials
Lignin
Raman scattering
Acetone
Principal component analysis
Atmospheric humidity
Heat treatment
Air

Keywords

  • FTIR
  • heat-treated wood
  • PCA
  • UV resonance Raman spectroscopy (UVRRS)
  • wood ageing

Cite this

Ganne-Chédeville, C., Jääskeläinen, A-S., Froidevaux, J., Hughes, M., & Navi, P. (2012). Natural and artificial ageing of spruce wood as observed by FTIR-ATR and UVRR spectroscopy. Holzforschung, 66(2), 163-170. https://doi.org/10.1515/HF.2011.148
Ganne-Chédeville, Christelle ; Jääskeläinen, Anna-Stiina ; Froidevaux, J. ; Hughes, M. ; Navi, P. / Natural and artificial ageing of spruce wood as observed by FTIR-ATR and UVRR spectroscopy. In: Holzforschung. 2012 ; Vol. 66, No. 2. pp. 163-170.
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Ganne-Chédeville, C, Jääskeläinen, A-S, Froidevaux, J, Hughes, M & Navi, P 2012, 'Natural and artificial ageing of spruce wood as observed by FTIR-ATR and UVRR spectroscopy', Holzforschung, vol. 66, no. 2, pp. 163-170. https://doi.org/10.1515/HF.2011.148

Natural and artificial ageing of spruce wood as observed by FTIR-ATR and UVRR spectroscopy. / Ganne-Chédeville, Christelle (Corresponding Author); Jääskeläinen, Anna-Stiina; Froidevaux, J.; Hughes, M.; Navi, P.

In: Holzforschung, Vol. 66, No. 2, 2012, p. 163-170.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Natural and artificial ageing of spruce wood as observed by FTIR-ATR and UVRR spectroscopy

AU - Ganne-Chédeville, Christelle

AU - Jääskeläinen, Anna-Stiina

AU - Froidevaux, J.

AU - Hughes, M.

AU - Navi, P.

PY - 2012

Y1 - 2012

N2 - Spruce samples, naturally aged for 200, 400 and 500 years, artificially aged by a hydrothermal treatment (at 180, 160 or 130°C, relative air humidities of 14%, 40%, or 60% and for treatment times between 1 to 50 h), as well as reference samples, were analysed by Fourier transform infrared spectroscopy (FTIR) attenuated total reflection (FTIR-ATR) and ultraviolet resonance Raman (UVRR) spectroscopy. Natural ageing mostly affected the hemicelluloses and lignin, as observed from the FTIR-ATR and UVRR spectra, respectively. The UVRR spectra of the same samples after acetone extraction indicated that lignin was partially degraded and quinone structures were possibly formed. Artificial ageing at 160°C showed a significant change in the lignin structure, a well-known effect in the thermal treatment of wood, whereas treatment at 130°C did not alter the wood structure to any significant extent. Principal component analysis of the UVRR spectra confirmed that the spectra of artificially aged wood up to 160°C are dissimilar to naturally aged wood and which are also dissimilar to unaged wood.

AB - Spruce samples, naturally aged for 200, 400 and 500 years, artificially aged by a hydrothermal treatment (at 180, 160 or 130°C, relative air humidities of 14%, 40%, or 60% and for treatment times between 1 to 50 h), as well as reference samples, were analysed by Fourier transform infrared spectroscopy (FTIR) attenuated total reflection (FTIR-ATR) and ultraviolet resonance Raman (UVRR) spectroscopy. Natural ageing mostly affected the hemicelluloses and lignin, as observed from the FTIR-ATR and UVRR spectra, respectively. The UVRR spectra of the same samples after acetone extraction indicated that lignin was partially degraded and quinone structures were possibly formed. Artificial ageing at 160°C showed a significant change in the lignin structure, a well-known effect in the thermal treatment of wood, whereas treatment at 130°C did not alter the wood structure to any significant extent. Principal component analysis of the UVRR spectra confirmed that the spectra of artificially aged wood up to 160°C are dissimilar to naturally aged wood and which are also dissimilar to unaged wood.

KW - FTIR

KW - heat-treated wood

KW - PCA

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Ganne-Chédeville C, Jääskeläinen A-S, Froidevaux J, Hughes M, Navi P. Natural and artificial ageing of spruce wood as observed by FTIR-ATR and UVRR spectroscopy. Holzforschung. 2012;66(2):163-170. https://doi.org/10.1515/HF.2011.148