BEYER, L and SCHULTEN, HR and FRUND, R (1992) PROPERTIES AND COMPOSITION OF SOIL ORGANIC-MATTER IN FOREST AND ARABLE SOILS OF SCHLESWIG-HOLSTEIN .1. COMPARISON OF MORPHOLOGY AND RESULTS OF WET CHEMISTRY, CPMAS-C-13-NMR SPECTROSCOPY AND PYROLYSIS-FIELD IONIZATION MASS-SPECTROMETRY. ZEITSCHRIFT FUR PFLANZENERNAHRUNG UND BODENKUNDE, 155 (4). pp. 345-354. ISSN 0044-3263,
Full text not available from this repository.Abstract
Properties and composition of 25 soil samples (0.8-51% C(org)) were determined by morphology, wet chemistry, CPMAS-C-13-NMR-spectroscopy and pyrolysis-field ionization mass spectrometry (Py-FIMS). The recovery rate of organic carbon was 102% (+/-15%). The correlation between the litter compound/humic compound ratio and humification grade, estimated with morphological observations, was strong (r2 = 0.502***). A typical classification of horizons (L, O, H, Ah+M) with regard to organic compounds (wet chemistry and C-13-NMR) was not always significant. The pyrolysis-mass spectra confirmed and extended on the basis of molecular chemical structures the results of wet chemistry, especially with polysaccharides, nitrogen compounds, lignin, lipids and alkylaromatics (r2 = 0.818-0.937***). A correlation between the NMR-aliphatics, the humic compounds isolated by wet chemistry, and the long-chain aliphatic carbon units in the pyrolysis-mass spectra was established.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | HUMIC SUBSTANCES; C-13 NMR; |
| Depositing User: | Dr. Gernot Deinzer |
| Last Modified: | 19 Oct 2022 08:44 |
| URI: | https://pred.uni-regensburg.de/id/eprint/54450 |
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