Desarrollo de un método analítico para la determinación de vanadio en suelos mediante Slurry Sampling y Calibración Multienergy con espectroscopia de absorción atómica electrotérmica de fuente continua de alta resolución (HR-CS-ETAAS)

El vanadio es un metal usado en la industria para la fabricación de aceros, pinturas, catalizadores, entre otros. La mala disposición de residuos que contiene el metal hace que la concentración de vanadio en matrices ambientales como suelo y agua incremente y desencadene problemas incluso a la salud...

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Autores:: Ramírez Arias, Johann Camilo

Tipo de recurso:: Trabajo de grado de pregrado

Fecha de publicación:: 2023

Institución:: Universidad de los Andes

Repositorio:: Séneca: repositorio Uniandes

Idioma:: spa

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dc.title.spa.fl_str_mv	Desarrollo de un método analítico para la determinación de vanadio en suelos mediante Slurry Sampling y Calibración Multienergy con espectroscopia de absorción atómica electrotérmica de fuente continua de alta resolución (HR-CS-ETAAS)
title	Desarrollo de un método analítico para la determinación de vanadio en suelos mediante Slurry Sampling y Calibración Multienergy con espectroscopia de absorción atómica electrotérmica de fuente continua de alta resolución (HR-CS-ETAAS)
spellingShingle	Desarrollo de un método analítico para la determinación de vanadio en suelos mediante Slurry Sampling y Calibración Multienergy con espectroscopia de absorción atómica electrotérmica de fuente continua de alta resolución (HR-CS-ETAAS) Slurry sampling Calibración multienergy Modificador de matriz Vanadio Absorción atómica Química
title_short	Desarrollo de un método analítico para la determinación de vanadio en suelos mediante Slurry Sampling y Calibración Multienergy con espectroscopia de absorción atómica electrotérmica de fuente continua de alta resolución (HR-CS-ETAAS)
title_full	Desarrollo de un método analítico para la determinación de vanadio en suelos mediante Slurry Sampling y Calibración Multienergy con espectroscopia de absorción atómica electrotérmica de fuente continua de alta resolución (HR-CS-ETAAS)
title_fullStr	Desarrollo de un método analítico para la determinación de vanadio en suelos mediante Slurry Sampling y Calibración Multienergy con espectroscopia de absorción atómica electrotérmica de fuente continua de alta resolución (HR-CS-ETAAS)
title_full_unstemmed	Desarrollo de un método analítico para la determinación de vanadio en suelos mediante Slurry Sampling y Calibración Multienergy con espectroscopia de absorción atómica electrotérmica de fuente continua de alta resolución (HR-CS-ETAAS)
title_sort	Desarrollo de un método analítico para la determinación de vanadio en suelos mediante Slurry Sampling y Calibración Multienergy con espectroscopia de absorción atómica electrotérmica de fuente continua de alta resolución (HR-CS-ETAAS)
dc.creator.fl_str_mv	Ramírez Arias, Johann Camilo
dc.contributor.advisor.none.fl_str_mv	Rivas Hernández, Ricardo Eusebio
dc.contributor.author.none.fl_str_mv	Ramírez Arias, Johann Camilo
dc.contributor.jury.none.fl_str_mv	Portilla Salinas, Jaime Antonio Miscione, Gian Pietro Ochoa, Yony Román
dc.contributor.researchgroup.none.fl_str_mv	Facultad de Ciencias
dc.subject.keyword.none.fl_str_mv	Slurry sampling Calibración multienergy Modificador de matriz Vanadio Absorción atómica
topic	Slurry sampling Calibración multienergy Modificador de matriz Vanadio Absorción atómica Química
dc.subject.themes.spa.fl_str_mv	Química
description	El vanadio es un metal usado en la industria para la fabricación de aceros, pinturas, catalizadores, entre otros. La mala disposición de residuos que contiene el metal hace que la concentración de vanadio en matrices ambientales como suelo y agua incremente y desencadene problemas incluso a la salud humana. La espectroscopia de absorción atómica de fuente continua de alta resolución (HR-CS-ETAAS) es una técnica precisa y sensible para determinar vanadio debido a su alta especificidad y bajos límites de detección. Sin embargo, la formación de carburos de vanadio en el horno de grafito puede afectar la sensibilidad del método. Ante esto, los modificadores de matriz se plantean como solución, ya que, evitan la formación de carburos y aumenta la volatilidad del metal. La técnica de slurry sampling evita la digestión de las muestras mediante la formación de una suspensión sólida de facil preparación y “verde”. Por último, la calibración multienergy, al usar dos soluciones que cuentan con la muestra (50% v/v muestra – 50% v/v estándar y 50% v/v muestra – 50% v/v blanco) reduce el efecto matriz a comparación de métodos tradicionales de calibración. Se propone el desarrollo de un método para la determinación de vanadio usando la técnica de slurry sampling y calibración multienergy por espectroscopia de absorción atómica electrotermica de fuente continua de alta resolución (HR-CS-ETAAS). Se optimizaron las condiciones instrumentales del equipo y preparación del slurry, se encontraron las lineas de absorción que se usaron para hacer la calibración multienergy y se verificó el método mediante el uso de un material de referencia certificado (CRM) y muestras reales y se comparó con métodos tradicionales de calibración con el fin de observar la existencia de efecto matriz.
publishDate	2023
dc.date.issued.none.fl_str_mv	2023-12-11
dc.date.accessioned.none.fl_str_mv	2024-01-30T16:56:46Z
dc.date.available.none.fl_str_mv	2024-01-30T16:56:46Z
dc.type.none.fl_str_mv	Trabajo de grado - Pregrado
dc.type.driver.none.fl_str_mv	info:eu-repo/semantics/bachelorThesis
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spelling	Rivas Hernández, Ricardo Eusebiovirtual::250-1Ramírez Arias, Johann CamiloPortilla Salinas, Jaime Antoniovirtual::251-1Miscione, Gian Pietrovirtual::252-1Ochoa, Yony RománFacultad de Ciencias2024-01-30T16:56:46Z2024-01-30T16:56:46Z2023-12-11https://hdl.handle.net/1992/73616instname:Universidad de los Andesreponame:Repositorio Institucional Sénecarepourl:https://repositorio.uniandes.edu.co/El vanadio es un metal usado en la industria para la fabricación de aceros, pinturas, catalizadores, entre otros. La mala disposición de residuos que contiene el metal hace que la concentración de vanadio en matrices ambientales como suelo y agua incremente y desencadene problemas incluso a la salud humana. La espectroscopia de absorción atómica de fuente continua de alta resolución (HR-CS-ETAAS) es una técnica precisa y sensible para determinar vanadio debido a su alta especificidad y bajos límites de detección. Sin embargo, la formación de carburos de vanadio en el horno de grafito puede afectar la sensibilidad del método. Ante esto, los modificadores de matriz se plantean como solución, ya que, evitan la formación de carburos y aumenta la volatilidad del metal. La técnica de slurry sampling evita la digestión de las muestras mediante la formación de una suspensión sólida de facil preparación y “verde”. Por último, la calibración multienergy, al usar dos soluciones que cuentan con la muestra (50% v/v muestra – 50% v/v estándar y 50% v/v muestra – 50% v/v blanco) reduce el efecto matriz a comparación de métodos tradicionales de calibración. Se propone el desarrollo de un método para la determinación de vanadio usando la técnica de slurry sampling y calibración multienergy por espectroscopia de absorción atómica electrotermica de fuente continua de alta resolución (HR-CS-ETAAS). Se optimizaron las condiciones instrumentales del equipo y preparación del slurry, se encontraron las lineas de absorción que se usaron para hacer la calibración multienergy y se verificó el método mediante el uso de un material de referencia certificado (CRM) y muestras reales y se comparó con métodos tradicionales de calibración con el fin de observar la existencia de efecto matriz.QuímicoPregradoQuímica Analítica Aplicada37 páginasapplication/pdfspaUniversidad de los AndesQuímicaFacultad de CienciasDepartamento de QuímicaAttribution-ShareAlike 4.0 Internationalhttp://creativecommons.org/licenses/by-sa/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Desarrollo de un método analítico para la determinación de vanadio en suelos mediante Slurry Sampling y Calibración Multienergy con espectroscopia de absorción atómica electrotérmica de fuente continua de alta resolución (HR-CS-ETAAS)Trabajo de grado - Pregradoinfo:eu-repo/semantics/bachelorThesisinfo:eu-repo/semantics/acceptedVersionhttp://purl.org/coar/resource_type/c_7a1fTexthttp://purl.org/redcol/resource_type/TPSlurry samplingCalibración multienergyModificador de matrizVanadioAbsorción atómicaQuímicaPYRZYSKA, K. 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Desarrollo de un método analítico para la determinación de vanadio en suelos mediante Slurry Sampling y Calibración Multienergy con espectroscopia de absorción atómica electrotérmica de fuente continua de alta resolución (HR-CS-ETAAS)

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