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Effects of climatic test parameters on acetic acid emission from beech (Fagus sylvatica L.)

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Published/Copyright: September 10, 2012
Holzforschung
From the journal Holzforschung Volume 67 Issue 1

Abstract

Acetic acid (AA) emission from beech samples was studied in test chambers operated according to ISO 16000 part 9 and as a function of temperature and relative humidity (RH). The impact of RH was higher than that of temperature. AA emission was about 45% higher at 75% RH than under standard parameters (50% RH, 23°C). Probably, RH influences AA emission both by enhanced hydrolysis of acetyl groups, as well as by facilitating the release of AA into the surrounding air by diffusion. The concentration of AA in test chamber air was determined with thermal desorption-gas chromatography-mass spectrometry (TD-GC-MS) as well as with ion chromatography (IC). Both techniques provided similar results. The values measured by IC ranged constantly 15% below those obtained with TD-GC-MS. This can be ascribed to losses during sampling of test chamber air.

Keywords: acetic acid emission; beech; ion chromatography (IC); testing parameters of VOCs; thermal desorption-gas chromatography-mass spectrometry (TD-GC-MS)
Corresponding author. Thünen-Institut für Holztechnologie und Holzbiologie, Leuschnerstraße 91c, 21031 Hamburg, Germany
Received: 2011-11-25
Accepted: 2012-7-30
Published Online: 2012-09-10
Published in Print: 2013-01-01

©2013 by Walter de Gruyter Berlin Boston

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https://doi.org/10.1515/hf-2011-0237
Keywords for this article
acetic acid emission; beech; ion chromatography (IC); testing parameters of VOCs; thermal desorption-gas chromatography-mass spectrometry (TD-GC-MS)

Articles in the same Issue

  1. Masthead
  2. Masthead
  3. Original Papers
  4. Assessment of total phenols and extractives of mahogany wood by near infrared spectroscopy (NIRS)
  5. Steam pretreatment for enzymatic hydrolysis of poplar wood: comparison of optimal conditions with and without SO2 impregnation
  6. Silica content of 36 Brazilian tropical wood species
  7. Dissolution and acetylation of ball-milled lignocellulosic biomass in ionic liquids at room temperature: application to nuclear magnetic resonance analysis of cell-wall components
  8. Effects of hydrothermal processing on the cellulosic fraction of Eucalyptus globulus wood
  9. Wood capillarity and deacetylation during eucalyptus alkaline impregnation. Sulphidity effects and comparison between transverse directions
  10. Effects of climatic test parameters on acetic acid emission from beech (Fagus sylvatica L.)
  11. Rational production of veneer by IR-heating of green wood during peeling: Modeling experiments
  12. Measurement of intra-ring wood density by means of imaging VIS/NIR spectroscopy (hyperspectral imaging)
  13. Coarse graining of wood cell arrangement and density dependence of elasticity
  14. Changes in viscoelastic vibrational properties between compression and normal wood: roles of microfibril angle and of lignin
  15. Elastic properties of cellular wood panels with hexagonal and auxetic cores
  16. Alternative experimental method to evaluate moment-carrying capacity of traditional wood-to-wood joint with small scale experiment
  17. Detection of iron-chelating and iron-reducing compounds in four brown rot fungi
  18. Synthesis and fungicidal activity of dehydroabietyl-1,2,4-triazolo-thiazolidinones
  19. Meetings
  20. Meetings
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