Tetramethylammonium hydroxide thermochemolysis for the analysis of cellulose and free carbohydrates in a peat bog

We have compared TMAH thermochemolysis with the classical method using acid hydrolysis for carbohydrates analysis in a peat core. Even if TMAH thermochemolysis does not analyse hemicellulosic carbohydrates and discriminate each individual carbohydrate sensu stricto, it allows the analysis of a cellu...

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Bibliographic Details
Published in:Journal of analytical and applied pyrolysis 2011, Vol.92 (2), p.401-406
Main Authors: Estournel-Pelardy, Céline, Delarue, Frédéric, Grasset, Laurent, Laggoun-Défarge, Fatima, Amblès, André
Format: Article
Language:English
Subjects:
acid hydrolysis
Carbohydrates
Cellulose
organic matter
peat
Peat core
peatlands
pyrolysis
Tetramethylammonium hydroxide
Thermochemolysis
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Summary:We have compared TMAH thermochemolysis with the classical method using acid hydrolysis for carbohydrates analysis in a peat core. Even if TMAH thermochemolysis does not analyse hemicellulosic carbohydrates and discriminate each individual carbohydrate sensu stricto, it allows the analysis of a cellulose pool hidden to acid hydrolysis and the specific analysis of free and terminal carbohydrates. Simple direct comparisons of thermochemolysis data with data generated from acid hydrolysis cannot be done because of the different mechanisms involved in each process. TMAH thermochemolysis must be viewed and used as a pertinent and complementary method for the analysis of carbohydrates protected and trapped by the organic matter in complex environmental systems.
ISSN:0165-2370
1873-250X
DOI:10.1016/j.jaap.2011.08.004