Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 337497
Title Quantification of lignin in synthetic mixtures of xylan and cellulose powders by photoacoustic spectroscopy
Author(s) Doka, O.; Bicanic, D.D.; Bunzel, M.
Source Analytica Chimica Acta 514 (2004)2. - ISSN 0003-2670 - p. 235 - 239.
DOI https://doi.org/10.1016/j.aca.2004.03.059
Department(s) Biophysics
VLAG
Publication type Refereed Article in a scientific journal
Publication year 2004
Keyword(s) klason lignin
Abstract The UV-Vis photoacoustic (PA) spectroscopy was demonstrated suitable for sensitive, direct and non-destructive study of lignin in synthetic cellulose/xylan mixtures. The PA spectra recorded in the 250-550 nm wavelength range show no characteristic peak; however the amplitude of the PA signal tends to increase for higher contents of lignin in the mixture. The quantification of lignin in cellulose/xylan mixtures was accomplished by analysing PA signals obtained at 300 and 400 nm; the limits of detection (LOD) are 1.8% (at 300 nm) and 0.4% (at 400 nm)
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