Estudio isotópico de carbono (δ13C) en carbones colombianos y su relación con las propiedades fisicoquímicas para la identificación de procesos biogeoquímicos asociados a sus ambientes de formación

ilustraciones, diagramas, fotografías a color, mapas

Autores:
Moreno Forero, Maribel
Tipo de recurso:
Fecha de publicación:
2023
Institución:
Universidad Nacional de Colombia
Repositorio:
Universidad Nacional de Colombia
Idioma:
OAI Identifier:
oai:repositorio.unal.edu.co:unal/84350
Acceso en línea:
https://repositorio.unal.edu.co/handle/unal/84350
https://repositorio.unal.edu.co/
Palabra clave:
540 - Química y ciencias afines::543 - Química analítica
Fenómenos químicos
Chemical Phenomena
Ciclos biogeoquímicos
Ciclo del carbono (biogeoquímica)
Biogeochemical cycles
Carbon cycle (biogeochemistry)
Isótopos estables
IRMS (Espectrometría de Masas de Relaciones Isotópicas)
Carbón
Validación
Material de referencia
Stables Isotopes
IRMS (Isotopic Ratio Mass Spectrometry)
Carbon
Validation
Reference Material
Rights
openAccess
License
Reconocimiento 4.0 Internacional
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oai_identifier_str oai:repositorio.unal.edu.co:unal/84350
network_acronym_str UNACIONAL2
network_name_str Universidad Nacional de Colombia
repository_id_str
dc.title.spa.fl_str_mv Estudio isotópico de carbono (δ13C) en carbones colombianos y su relación con las propiedades fisicoquímicas para la identificación de procesos biogeoquímicos asociados a sus ambientes de formación
dc.title.translated.eng.fl_str_mv Isotopic study of carbon (δ13C) in colombian coals and its relationship with physicochemical properties for the identification of biogeochemical processes associated with their formation environments
title Estudio isotópico de carbono (δ13C) en carbones colombianos y su relación con las propiedades fisicoquímicas para la identificación de procesos biogeoquímicos asociados a sus ambientes de formación
spellingShingle Estudio isotópico de carbono (δ13C) en carbones colombianos y su relación con las propiedades fisicoquímicas para la identificación de procesos biogeoquímicos asociados a sus ambientes de formación
540 - Química y ciencias afines::543 - Química analítica
Fenómenos químicos
Chemical Phenomena
Ciclos biogeoquímicos
Ciclo del carbono (biogeoquímica)
Biogeochemical cycles
Carbon cycle (biogeochemistry)
Isótopos estables
IRMS (Espectrometría de Masas de Relaciones Isotópicas)
Carbón
Validación
Material de referencia
Stables Isotopes
IRMS (Isotopic Ratio Mass Spectrometry)
Carbon
Validation
Reference Material
title_short Estudio isotópico de carbono (δ13C) en carbones colombianos y su relación con las propiedades fisicoquímicas para la identificación de procesos biogeoquímicos asociados a sus ambientes de formación
title_full Estudio isotópico de carbono (δ13C) en carbones colombianos y su relación con las propiedades fisicoquímicas para la identificación de procesos biogeoquímicos asociados a sus ambientes de formación
title_fullStr Estudio isotópico de carbono (δ13C) en carbones colombianos y su relación con las propiedades fisicoquímicas para la identificación de procesos biogeoquímicos asociados a sus ambientes de formación
title_full_unstemmed Estudio isotópico de carbono (δ13C) en carbones colombianos y su relación con las propiedades fisicoquímicas para la identificación de procesos biogeoquímicos asociados a sus ambientes de formación
title_sort Estudio isotópico de carbono (δ13C) en carbones colombianos y su relación con las propiedades fisicoquímicas para la identificación de procesos biogeoquímicos asociados a sus ambientes de formación
dc.creator.fl_str_mv Moreno Forero, Maribel
dc.contributor.advisor.none.fl_str_mv Agámez Pertuz, Yazmin Yaneth
dc.contributor.author.none.fl_str_mv Moreno Forero, Maribel
dc.contributor.orcid.spa.fl_str_mv MORENO FORERO, MARIBEL [0000-0002-3410-8760]
dc.contributor.cvlac.spa.fl_str_mv MORENO FORERO, MARIBEL
dc.subject.ddc.spa.fl_str_mv 540 - Química y ciencias afines::543 - Química analítica
topic 540 - Química y ciencias afines::543 - Química analítica
Fenómenos químicos
Chemical Phenomena
Ciclos biogeoquímicos
Ciclo del carbono (biogeoquímica)
Biogeochemical cycles
Carbon cycle (biogeochemistry)
Isótopos estables
IRMS (Espectrometría de Masas de Relaciones Isotópicas)
Carbón
Validación
Material de referencia
Stables Isotopes
IRMS (Isotopic Ratio Mass Spectrometry)
Carbon
Validation
Reference Material
dc.subject.decs.spa.fl_str_mv Fenómenos químicos
dc.subject.decs.eng.fl_str_mv Chemical Phenomena
dc.subject.lemb.spa.fl_str_mv Ciclos biogeoquímicos
Ciclo del carbono (biogeoquímica)
dc.subject.lemb.eng.fl_str_mv Biogeochemical cycles
Carbon cycle (biogeochemistry)
dc.subject.proposal.spa.fl_str_mv Isótopos estables
IRMS (Espectrometría de Masas de Relaciones Isotópicas)
Carbón
Validación
Material de referencia
dc.subject.proposal.eng.fl_str_mv Stables Isotopes
IRMS (Isotopic Ratio Mass Spectrometry)
Carbon
Validation
Reference Material
description ilustraciones, diagramas, fotografías a color, mapas
publishDate 2023
dc.date.accessioned.none.fl_str_mv 2023-07-28T13:52:00Z
dc.date.available.none.fl_str_mv 2023-07-28T13:52:00Z
dc.date.issued.none.fl_str_mv 2023-07-26
dc.type.spa.fl_str_mv Trabajo de grado - Maestría
dc.type.driver.spa.fl_str_mv info:eu-repo/semantics/masterThesis
dc.type.version.spa.fl_str_mv info:eu-repo/semantics/acceptedVersion
dc.type.content.spa.fl_str_mv Text
dc.type.redcol.spa.fl_str_mv http://purl.org/redcol/resource_type/TM
status_str acceptedVersion
dc.identifier.uri.none.fl_str_mv https://repositorio.unal.edu.co/handle/unal/84350
dc.identifier.instname.spa.fl_str_mv Universidad Nacional de Colombia
dc.identifier.reponame.spa.fl_str_mv Repositorio Institucional Universidad Nacional de Colombia
dc.identifier.repourl.spa.fl_str_mv https://repositorio.unal.edu.co/
url https://repositorio.unal.edu.co/handle/unal/84350
https://repositorio.unal.edu.co/
identifier_str_mv Universidad Nacional de Colombia
Repositorio Institucional Universidad Nacional de Colombia
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spelling Reconocimiento 4.0 Internacionalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Agámez Pertuz, Yazmin Yaneth05f2a50538617c040700e693ed0c0baf600Moreno Forero, Maribelcf4398dfcd1beb61c9fbb90e2e36c0fdMORENO FORERO, MARIBEL [0000-0002-3410-8760]MORENO FORERO, MARIBEL2023-07-28T13:52:00Z2023-07-28T13:52:00Z2023-07-26https://repositorio.unal.edu.co/handle/unal/84350Universidad Nacional de ColombiaRepositorio Institucional Universidad Nacional de Colombiahttps://repositorio.unal.edu.co/ilustraciones, diagramas, fotografías a color, mapasLa caracterización química de algunas sustancias presentes en la tierra permite identificar la formación, evolución y el cambio en las condiciones ambientales derivadas de procesos naturales como la respiración, la fotosíntesis o los fenómenos geológicos dados por la dinámica interna y externa de las capas de la tierra. El conocimiento de estos cambios en matrices como el carbón, en el territorio colombiano contribuye a una mayor caracterización de los recursos del país y por ende a su mejor aprovechamiento de estos. Con este fin se desarrolló y validó un método para la determinación isotópica de carbono en carbones mediante Espectrometría de Masas de Relaciones Isotópicas (IRMS). Mediante el proceso de validación se encontró que el método es apto para las determinaciones de δ13C en carbones de las diferentes zonas carboníferas del país en el intervalo de -32,151 ‰ a -16,049 ‰ de δ13C con una precisión menor al 0,2 ‰. El método validado fue empleado en la evaluación de carbones provenientes de las zonas Boyacá, la Guajira, Cundinamarca, Santander, Córdoba, y Antioquía, cubriendo las principales zonas carboníferas del país, con el objeto de correlacionar los resultados de la relación isotópica con análisis fisicoquímicos que permitan establecer diferentes características de este recurso, así como de sus ambientes de formación. Se encontraron relaciones isotópicas en el intervalo de −27,08 ‰ y -26,20 ‰. Uno de los problemas que presenta este tipo de técnicas es el de no contar con Materiales de Referencia (MR) de matrices de las muestras similares o iguales a las muestras rutinarias del laboratorio, además que las que se consiguen en el mercado solo pueden ser adquiridas cada cierto periodo de tiempo (3 años), por lo tanto, esta investigación contribuyó en la producción, de un material de referencia in-house con el fin de ser empleado como control y aseguramiento de calidad del método desarrollado. Durante todo el proceso se evaluó su homogeneidad, estabilidad y uso repetido. (Texto tomado de la fuente)The chemical characterization of some substances present in the earth allows to identify the formation, evolution and change in environmental conditions derived from natural processes such as respiration, photosynthesis or geological phenomena given by the internal and external dynamics of the layers of the earth. The knowledge of these changes in matrices such as coal, in the Colombian territory contributes to a better characterization of the country's resources and therefore to their better use. To this end, a method for the isotopic determination of carbon in coals by Isotopic Ratio Mass Spectrometry (IRMS) was developed and validated. Through the validation process, it was found that the method is suitable for the determination of δ13C in coals from the different coal-producing areas of the country. A linear interval of -32.121 ‰ to -16.049 ‰ of δ13C and error percentages and coefficients of variation less than 5% will be completed. After the validation in a second stage, from the validated method, the coals from the Boyacá, Guajira, Cundinamarca, Santander, Córdoba y Antioquia zones were evaluated, covering the main coal-bearing zones of the country, with the in order to correlate the results of the isotopic relationship with physicochemical analyzes that allow establishing different characteristics of this resource, as well as its formation environments. Isotopic ratios between −27.96‰ to −26.11‰ were found. Due to the problem of not having enough reference materials for this type of method, the production of an in-house reference material was carried out in order to be used as control and quality assurance of the developed method.MaestríaMagister en Ciencias QuímicaAplicaciones Nucleares y Geocronológicas134 páginasapplication/pdfUniversidad Nacional de ColombiaBogotá - Ciencias - Maestría en Ciencias - QuímicaFacultad de CienciasBogotá,ColombiaUniversidad Nacional de Colombia - Sede Bogotá540 - Química y ciencias afines::543 - Química analíticaFenómenos químicosChemical PhenomenaCiclos biogeoquímicosCiclo del carbono (biogeoquímica)Biogeochemical cyclesCarbon cycle (biogeochemistry)Isótopos establesIRMS (Espectrometría de Masas de Relaciones Isotópicas)CarbónValidaciónMaterial de referenciaStables IsotopesIRMS (Isotopic Ratio Mass Spectrometry)CarbonValidationReference MaterialEstudio isotópico de carbono (δ13C) en carbones colombianos y su relación con las propiedades fisicoquímicas para la identificación de procesos biogeoquímicos asociados a sus ambientes de formaciónIsotopic study of carbon (δ13C) in colombian coals and its relationship with physicochemical properties for the identification of biogeochemical processes associated with their formation environmentsTrabajo de grado - Maestríainfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/acceptedVersionTexthttp://purl.org/redcol/resource_type/TMColombiaA. 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Madrid, 2002.EstudiantesInvestigadoresPúblico generalLICENSElicense.txtlicense.txttext/plain; charset=utf-85879https://repositorio.unal.edu.co/bitstream/unal/84350/3/license.txteb34b1cf90b7e1103fc9dfd26be24b4aMD53ORIGINAL52861348.2023.pdf52861348.2023.pdfTesis de Maestría en Ciencias - Químicaapplication/pdf3402628https://repositorio.unal.edu.co/bitstream/unal/84350/4/52861348.2023.pdf8785d07a67ae8afb35d27f940dc2af24MD54THUMBNAIL52861348.2023.pdf.jpg52861348.2023.pdf.jpgGenerated Thumbnailimage/jpeg4820https://repositorio.unal.edu.co/bitstream/unal/84350/5/52861348.2023.pdf.jpg1646f9ee209f977ef2f6ab100ba32473MD55unal/84350oai:repositorio.unal.edu.co:unal/843502023-08-14 23:04:41.851Repositorio Institucional Universidad Nacional de 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