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Items for "formic acid"

Formic and acetic acids in archaeological wood. A comparison between the Vasa Warship, the Bremen Cog, the Oberländer Boat and the Danish Viking Ships

A method has been developed to analyse and quantify formic and acetic acids in archaeological and fresh wood...

Keywords: Acetic Acid, analysis, archaeological wood, formic acid, SPME, gas chromatography, Mass spectrometry

05/2006 | Holzforschung, Walter de Gruyter

Fenton-induced degradation of polyethylene glycol and oak holocellulose. A model experiment in comparison to changes observed in conserved waterlogged wood

Degradation of polysaccharides and polyethylene glycol have recently been observed in the wood of the Swedish war-ship Vasa...

Keywords: Acetic Acid, cellulose, formic acid, glycolic acid, hemicelluloses, Iron, oxalic acid, polyethylene glycol, sulfur, Vasa, wood degradation, xylan

11/2008 | Holzforschung, Walter de Gruyter

Analysis of acids and degradation products related to iron and sulfur in the Swedish warship Vasa

Aqueous wood extracts from the historic Swedish warship Vasa have been analyzed by ¹H-NMR spectroscopy, ion chromatography, and matrix assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry as part of studies on the chemical degradation related to increased levels of iron and sulfur...