Analysis of 13C and 15N CPMAS NMR-spectra of soil organic matter and composts
3 páginas, 2 figuras, 3 tablas, 7 referencias.
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| Format: | artículo biblioteca |
| Language: | English |
| Published: |
Elsevier
1991-04
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| Subjects: | 15N NMR, 13C NMR, CPMAS, Composts, Humic acid, |
| Online Access: | http://hdl.handle.net/10261/59065 http://dx.doi.org/10.13039/501100002347 |
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dig-irnas-es-10261-590652019-08-06T09:25:32Z Analysis of 13C and 15N CPMAS NMR-spectra of soil organic matter and composts Almendros Martín, Gonzalo Fründ, R. González-Vila, Francisco Javier Haider, K. M. Knicker, Heike Lüdemann, H.-D. Federal Ministry of Education and Research (Germany) 15N NMR 13C NMR CPMAS Composts Humic acid 3 páginas, 2 figuras, 3 tablas, 7 referencias. 15N and 13C CPMASspectra of composted plants are presented. The plants (L. rigidium and Zea mays) were grown in 15N enriched medium and fennented for several months until an approx. 80% of the dry matter was lost. In all 15N spectra the secondary amide/peptide peaks a 87 ppm contributes more than 80% of the total intensity. No new 15N peaks are formed during the fermentation process. Older attempts to assign a significant fraction of humic acid nitrogen to heteroaromatic structures formed in the fermentation process are thus most probably wrong. Financial support by the BMFT (German Federal Ministery of Science and Technology) under Research Grant 0339137. Peer reviewed 2012-10-29T10:55:36Z 2012-10-29T10:55:36Z 1991-04 artículo http://purl.org/coar/resource_type/c_6501 FEBS Letters 282(1): 119-121 (1991) 0014-5793 http://hdl.handle.net/10261/59065 10.1016/0014-5793(91)80458-F 1873-3468 http://dx.doi.org/10.13039/501100002347 en http://dx.doi.org/10.1016/0014-5793(91)80458-F none Elsevier |
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| language |
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15N NMR 13C NMR CPMAS Composts Humic acid 15N NMR 13C NMR CPMAS Composts Humic acid |
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15N NMR 13C NMR CPMAS Composts Humic acid 15N NMR 13C NMR CPMAS Composts Humic acid Almendros Martín, Gonzalo Fründ, R. González-Vila, Francisco Javier Haider, K. M. Knicker, Heike Lüdemann, H.-D. Analysis of 13C and 15N CPMAS NMR-spectra of soil organic matter and composts |
| description |
3 páginas, 2 figuras, 3 tablas, 7 referencias. |
| author2 |
Federal Ministry of Education and Research (Germany) |
| author_facet |
Federal Ministry of Education and Research (Germany) Almendros Martín, Gonzalo Fründ, R. González-Vila, Francisco Javier Haider, K. M. Knicker, Heike Lüdemann, H.-D. |
| format |
artículo |
| topic_facet |
15N NMR 13C NMR CPMAS Composts Humic acid |
| author |
Almendros Martín, Gonzalo Fründ, R. González-Vila, Francisco Javier Haider, K. M. Knicker, Heike Lüdemann, H.-D. |
| author_sort |
Almendros Martín, Gonzalo |
| title |
Analysis of 13C and 15N CPMAS NMR-spectra of soil organic matter and composts |
| title_short |
Analysis of 13C and 15N CPMAS NMR-spectra of soil organic matter and composts |
| title_full |
Analysis of 13C and 15N CPMAS NMR-spectra of soil organic matter and composts |
| title_fullStr |
Analysis of 13C and 15N CPMAS NMR-spectra of soil organic matter and composts |
| title_full_unstemmed |
Analysis of 13C and 15N CPMAS NMR-spectra of soil organic matter and composts |
| title_sort |
analysis of 13c and 15n cpmas nmr-spectra of soil organic matter and composts |
| publisher |
Elsevier |
| publishDate |
1991-04 |
| url |
http://hdl.handle.net/10261/59065 http://dx.doi.org/10.13039/501100002347 |
| work_keys_str_mv |
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| _version_ |
1777664411569225728 |