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dc.contributor.author
Abraham, Emilia del Carmen
dc.contributor.author
D`angelo, José Alejandro
dc.contributor.author
Altamirano, Jorgelina Cecilia
dc.date.available
2022-10-06T15:46:11Z
dc.date.issued
2021-05
dc.identifier.citation
Abraham, Emilia del Carmen; D`angelo, José Alejandro; Altamirano, Jorgelina Cecilia; Chemometric Optimization of a Demineralization Method for Analysing Sediment Organic Matter by Fourier Transform Infrared Spectroscopy; Springer; International Journal Of Environmental Research; 15; 4; 5-2021; 645-654
dc.identifier.issn
1735-6865
dc.identifier.uri
http://hdl.handle.net/11336/172265
dc.description.abstract
Fourier transform infrared (FTIR) spectroscopy is a widespread and useful technique for characterizing the chemical composition of soil/sediment organic matter (SOM). However, the mineral components of the samples limit spectral analysis since they mask SOM’s distinctive signals. Big efforts have been made in this matter to eliminate the spectral interferences of mineral constituents of the samples, by demineralization with hydrofluoric acid (DHF), or spectral subtraction. This work aimed to upgrade reported DHF methods and optimize a sample preparation methodology for SOM characterization by FTIR spectroscopy combining the potential of spectral and multivariate analysis. Semi-quantitative FTIR ratios were introduced as input variables for principal component analysis to determine the optimal DFH conditions to characterize SOM. One-way analysis of variance (ANOVA, α = 0.05) test revealed that the optimal demineralization was achieved with two cycles of HF 10% v/v at 60 °C, against five HF cycles and room temperature, previously reported. The DHF at the optimal conditions not only improved the demineralization efficiency against that of the reported methods but also did not cause significant undesirable modifications in SOM that could distort the FTIR analysis. These conclusions have statistical significance and are based on the qualitative information of the spectra and also on a comprehensive semi-quantitative study of them.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
DEMINERALIZATION
dc.subject
FTIR
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HYDROFLUORIC ACID
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PRINCIPAL COMPONENT ANALYSIS
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SEDIMENT ORGANIC MATTER
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Otras Ciencias Químicas
dc.subject.classification
Ciencias Químicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Chemometric Optimization of a Demineralization Method for Analysing Sediment Organic Matter by Fourier Transform Infrared Spectroscopy
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-09-19T12:43:39Z
dc.journal.volume
15
dc.journal.number
4
dc.journal.pagination
645-654
dc.journal.pais
Alemania
dc.journal.ciudad
Berlín
dc.description.fil
Fil: Abraham, Emilia del Carmen. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
dc.description.fil
Fil: D`angelo, José Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina. Cape Breton University; Canadá
dc.description.fil
Fil: Altamirano, Jorgelina Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
dc.journal.title
International Journal Of Environmental Research
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/10.1007/s41742-021-00338-w
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1007/s41742-021-00338-w
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