How useful is the mid-infrared spectroscopy in the assessment of black carbon in soils
5 pages, 2 figures, 11 references.
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| Main Authors: | , , , , , , |
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| Format: | artículo biblioteca |
| Language: | English |
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FuegoRED (Red Temática Nacional Efectos de los Incendios Forestales sobre el Suelo)
2013
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| Subjects: | Black Carbon chemical oxidation methods, Refractory organic matter, Spectroscopic techniques, |
| Online Access: | http://hdl.handle.net/10261/82100 |
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dig-irnas-es-10261-821002019-08-06T09:27:08Z How useful is the mid-infrared spectroscopy in the assessment of black carbon in soils Rosa Arranz, José M. de la González-Vila, Francisco Javier González-Pérez, José Antonio Almendros Martín, Gonzalo Hernández, Zulimar López Martín, María Knicker, Heike Black Carbon chemical oxidation methods Refractory organic matter Spectroscopic techniques 5 pages, 2 figures, 11 references. Black carbon (BC), the recalcitrant continuum of products from incomplete combustion, includes char, charcoal and soot, being considered an important component of the global C cycle. However due to measurement uncertainties, the magnitude and distribution of BC is hardly known. In this study, a rapid and inexpensive spectroscopic technique, as it is mid-infrared spectroscopy in combination with oxidation procedures is proposed to quantify the recalcitrant aromatic fraction resistant, which can effectively determine the proportion of BC in soils. This method was tested by using a wide variety soil samples of various origin, composition and properties. Results were contrasted by those obtained by applying solid-state Nuclear Magnetic Resonance (NMR) spectroscopy. Mid-infrared spectroscopy showed a very high predicting potential in the case of samples with large concentrations of BC by taking advantage of the relative optical density of the 2920 cm-1 C–H stretching band. In the case of soils with low BC contents, the application of Partial Least Square Regression to baseline-subtracted, second-derivative FourierTransformed Infra-red (FT-IR) spectra lead to significant (P<0.05) cross-validation models. By this procedure a considerable improvement in forecasting the aromatic fraction resistant to the chemical oxidation steps (BC-like material) was obtained. Peer reviewed 2013-09-16T11:10:57Z 2013-09-16T11:10:57Z 2013 artículo http://purl.org/coar/resource_type/c_6501 Flamma 4 (3): 147-151 (2013) 2171-665X http://hdl.handle.net/10261/82100 en open FuegoRED (Red Temática Nacional Efectos de los Incendios Forestales sobre el Suelo) |
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Black Carbon chemical oxidation methods Refractory organic matter Spectroscopic techniques Black Carbon chemical oxidation methods Refractory organic matter Spectroscopic techniques |
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Black Carbon chemical oxidation methods Refractory organic matter Spectroscopic techniques Black Carbon chemical oxidation methods Refractory organic matter Spectroscopic techniques Rosa Arranz, José M. de la González-Vila, Francisco Javier González-Pérez, José Antonio Almendros Martín, Gonzalo Hernández, Zulimar López Martín, María Knicker, Heike How useful is the mid-infrared spectroscopy in the assessment of black carbon in soils |
| description |
5 pages, 2 figures, 11 references. |
| format |
artículo |
| topic_facet |
Black Carbon chemical oxidation methods Refractory organic matter Spectroscopic techniques |
| author |
Rosa Arranz, José M. de la González-Vila, Francisco Javier González-Pérez, José Antonio Almendros Martín, Gonzalo Hernández, Zulimar López Martín, María Knicker, Heike |
| author_facet |
Rosa Arranz, José M. de la González-Vila, Francisco Javier González-Pérez, José Antonio Almendros Martín, Gonzalo Hernández, Zulimar López Martín, María Knicker, Heike |
| author_sort |
Rosa Arranz, José M. de la |
| title |
How useful is the mid-infrared spectroscopy in the assessment of black carbon in soils |
| title_short |
How useful is the mid-infrared spectroscopy in the assessment of black carbon in soils |
| title_full |
How useful is the mid-infrared spectroscopy in the assessment of black carbon in soils |
| title_fullStr |
How useful is the mid-infrared spectroscopy in the assessment of black carbon in soils |
| title_full_unstemmed |
How useful is the mid-infrared spectroscopy in the assessment of black carbon in soils |
| title_sort |
how useful is the mid-infrared spectroscopy in the assessment of black carbon in soils |
| publisher |
FuegoRED (Red Temática Nacional Efectos de los Incendios Forestales sobre el Suelo) |
| publishDate |
2013 |
| url |
http://hdl.handle.net/10261/82100 |
| work_keys_str_mv |
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