Decomposition in forest humus layers studied by CPMAS 13C NMR, pyrolysis-field ionization-mass spectrometry and CuO oxidation

I. Kögel, R. Hempfling, P. G. Hatcher, H. R. Schulten

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

Decomposition and humification of fresh litter material within three different forest humus profiles (mull, moder, mor) were studied using CPMAS3 C NMR spectroscopy, Py-FIMS, and chemical degradation. A decrease of polysaccharides was observed with all methods applied. Results on the behaviour of aromatic structures in forest humus layers varied according to analysis, because the CuO oxidation used for the wet chemical characterization of lignin is a measure of intact lignin structural units, whereas 13C NMR spectroscopy accounts for the total content of aromatic carbon.

Original languageEnglish
Pages (from-to)111-113
Number of pages3
JournalScience of the Total Environment
Volume62
Issue numberC
DOIs
StatePublished - 1987
Externally publishedYes

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