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Time-dependent ammonia emissions from fumed oak wood determined by micro-chamber/thermal extractor (μCTE) and FTIR-ATR spectroscopy by Elfriede Hogger; Klaus Bauer; Eva Höllbacher; Notburga Gierlinger; Johannes Konnerth; Hendrikus W.G. van Herwijnen is a Engineering article available to read on EtoBox.
What is Time-dependent ammonia emissions from fumed oak wood determined by micro-chamber/thermal extractor (μCTE) and FTIR-ATR spectroscopy about?
The ongoing preference for dark colours in parquet and furniture is a driving force for colour modification of bright wood species. The treatment of oak wood with gaseous ammonia (fuming) leads to dark colours, but residual ammonia in the wood may lead to bonding failures with resins, odour nuisance and thus customer complaints. The focus of the present paper is the determination and emission of remaining ammonia in fumed oak. A fast and convenient approach based on Fourier transform infraredattenuated total reflectance (FTIR-ATR) spectroscopy was developed to replace the currently applied time-consuming and complex determination procedures. The integrated area of the infrared (IR) region between 1575 and 1535 cm -1 shows a relationship with the coefficient of determination (R 2 = 0.76) to the residual ammonia content determined by the micro-chamber/thermal extractor (μCTE) method. The prediction accuracy was further improved by partial least square regression calculations. Promising models with high R 2 (0.85), low root mean square error of cross-validation (RMSE-CV = 1.08%) with five principal components were established and already integrated successfully into the production as
Who reads Time-dependent ammonia emissions from fumed oak wood determined by micro-chamber/thermal extractor (μCTE) and FTIR-ATR spectroscopy?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Elfriede Hogger; Klaus Bauer; Eva Höllbacher; Notburga Gierlinger; Johannes Konnerth; Hendrikus W.G. van Herwijnen
- Publisher
- Walter de Gruyter GmbH
- Published
- 2018
- Language
- EN
- Field
- Engineering (Physical Sciences)