Publicación:
Propiedades refractométricas y acústicas de las soluciones acuosas de acetato de calcio + glicina a diferentes temperaturas

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dc.contributor.authorManjarres Nuñez, Jorge Luisspa
dc.coverage.spatialMontería, Córdobaspa
dc.date.accessioned2020-06-16T18:42:25Zspa
dc.date.available2020-06-16T18:42:25Zspa
dc.date.issued2020-06-16spa
dc.description.abstractEn este trabajo se determinaron y analizaron las propiedades refractométricas y acústicas a diferentes temperaturas (283.15 – 308.15) K, cada 5 K, del aminoácido: glicina en mezcla acuosa de acetato de calcio. Midiendo experimentalmente el índice de refracción y la velocidad del sonido para el sistema pseudobinario, utilizando un refractómetro Abbe y un interferómetro multifrecuencia ultrasónica M-81F. A partir de los datos de índice de refracción se calcularon: la refracción molecular (R_m ), el radio efectivo promedio (r/Å) y la polarizabilidad promedio (α/Å^3 ) de la molécula del soluto solvatado; mientras que a partir de la velocidad ultrasónica se calcularon: la compresibilidad adiabática (K_s), la longitud de onda libre intermolecular (L_f), el volumen molar (V_m ), el volumen libre (V_f ), el número de solvatación (s_N), el tiempo de relajación (τ), la energía libre de Gibbs de activación (〖∆G〗^*), el parámetro de asociación relativa (RA) y la estimación de la presión interna (π_i ). Los resultados obtenidos se discutieron en términos de las interacciones predominantes en solución y el comportamiento del soluto en virtud a los cambios en la estructura del solvente.spa
dc.description.degreelevelPregradospa
dc.description.degreenameQuímico(a)spa
dc.description.tableofcontentsÍNDICE DE TABLAS ................................................................................................................. 9spa
dc.description.tableofcontentsÍNDICE DE FIGURAS .............................................................................................................. 12spa
dc.description.tableofcontentsÍNDICE DE GRÁFICAS ............................................................................................................ 13spa
dc.description.tableofcontentsRESUMEN .................................................................................................................................. 16spa
dc.description.tableofcontentsINTRODUCCION ...................................................................................................................... 17spa
dc.description.tableofcontentsA. Referencias .......................................................................................................................... 21spa
dc.description.tableofcontentsOBJETIVOS ............................................................................................................................... 24spa
dc.description.tableofcontentsOBJETIVO GENERAL ................................................................................................................. 24spa
dc.description.tableofcontentsOBJETIVOS ESPECÍFICOS .......................................................................................................... 24spa
dc.description.tableofcontentsCAPÍTULO 1. MARCO TEÓRICO ........................................................................................... 25spa
dc.description.tableofcontentsSección 1.1. El agua como solvente ............................................................................................ 25spa
dc.description.tableofcontents1.1.1. Generalidades .......................................................................................................... 25spa
dc.description.tableofcontents1.1.2. Estructura del agua líquida ..................................................................................... 26spa
dc.description.tableofcontents1.1.3. Modelos sobre la estructura de agua líquida .......................................................... 26spa
dc.description.tableofcontents1.1.4. Soluciones acuosas ........................................................................................................ 27spa
dc.description.tableofcontents1.1.4.1. Efecto hidrofóbico ...................................................................................................... 27spa
dc.description.tableofcontents1.1.4.1.1. Hidratación hidrofóbica........................................................................................... 27spa
dc.description.tableofcontents1.1.4.1.2. Interacción hidrofóbica ........................................................................................... 28spa
dc.description.tableofcontents1.1.4.2. Efecto hidrofílico ......................................................................................................... 28spa
dc.description.tableofcontents1.1.4.3. Efecto de electrostricción ........................................................................................... 28spa
dc.description.tableofcontentsSección 1.2. Aminoácidos en solución ........................................................................................ 29spa
dc.description.tableofcontents1.2.1. Aminoácidos .................................................................................................................. 29spa
dc.description.tableofcontentsSección 1.3. Refractometría ........................................................................................................ 30spa
dc.description.tableofcontents1.3.1. Índice de refracción .......................................................................................................... 31spa
dc.description.tableofcontents1.3.2.. Ecuación De Lorentz-Lorenz ......................................................................................... 31spa
dc.description.tableofcontents1.3.3.. Ecuación De Bottcher ................................................................................................... 32spa
dc.description.tableofcontents1.3.4. Propiedades derivadas del índice de refracción ............................................................... 32spa
dc.description.tableofcontents1.3.4.1. Refracción Molar, Radio Atómico y Polarizabilidad ................................................... 33spa
dc.description.tableofcontentsSección 1.4. Estudio acústico de un líquido ................................................................................ 34spa
dc.description.tableofcontents1.4.1. Parámetros termo-acústicos ............................................................................................. 35spa
dc.description.tableofcontents1.4.2. Volumen molar ( m V ) ..................................................................................................... 35spa
dc.description.tableofcontents1.4.2. Volumen molar ( m V ) ..................................................................................................... 35spa
dc.description.tableofcontents1.4.4. Compresibilidad adiabática ................................................................................. 36spa
dc.description.tableofcontents1.4.5. Longitud de onda libre intermolecular ............................................................... 37spa
dc.description.tableofcontents1.4.6. Volumen libre ...................................................................................................... 37spa
dc.description.tableofcontents1.4.7. Número de Solvatación ....................................................................................... 39spa
dc.description.tableofcontents1.4.8. Tiempo de relajación .............................................................................................. 39spa
dc.description.tableofcontents1.4.9. Energía libre de Gibbs de activación .................................................................... 39spa
dc.description.tableofcontents1.4.10. Presión Interna (π) ...................................................................................................... 40spa
dc.description.tableofcontentsB. Referencias .......................................................................................................................... 41spa
dc.description.tableofcontentsCAPÍTULO 2. METODOLOGÍA ............................................................................................... 46spa
dc.description.tableofcontentsSección 2.1. Reactivos y preparación de soluciones ................................................................... 46spa
dc.description.tableofcontents2.1.1. Reactivos ....................................................................................................................... 46spa
dc.description.tableofcontents2.1.2. Limpieza del material de vidrio ..................................................................................... 46spa
dc.description.tableofcontents2.1.3. Preparación de soluciones ............................................................................................. 47spa
dc.description.tableofcontents2.1.4. Bidestilación del agua ................................................................................................... 47spa
dc.description.tableofcontents2.1.5. Preparación de la solución sulfocrómica ....................................................................... 48spa
dc.description.tableofcontentsSección 2.2. Determinación del índice de refracción ................................................................. 48spa
dc.description.tableofcontents2.2.1. Descripción del refractómetro ....................................................................................... 48spa
dc.description.tableofcontents2.2.2. Protocolo de medición ................................................................................................... 49spa
dc.description.tableofcontentsSección 2.3. Determinación de la velocidad del sonido .............................................................. 51spa
dc.description.tableofcontentsSección 2.3. Determinación de la velocidad del sonido .............................................................. 51spa
dc.description.tableofcontents2.3.2. Descripción del interferómetro ...................................................................................... 52spa
dc.description.tableofcontents2.3.4. Principio de funcionamiento .......................................................................................... 53spa
dc.description.tableofcontents2.3.5. Ajuste del interferómetro ultrasónico ........................................................................... 53spa
dc.description.tableofcontents2.3.6. Protocolo de medición ................................................................................................... 53spa
dc.description.tableofcontentsC. Referencias .......................................................................................................................... 56spa
dc.description.tableofcontentsCAPÍTULO 3. RESULTADOS Y DISCUSIÓN SISTEMA BINARIO.................................................................57spa
dc.description.tableofcontentsSección 3.1. Resultados y análisis refractométrico ..................................................................... 57spa
dc.description.tableofcontents3.1.1. Propagación de incertidumbre de la concentración molal........................................................ 57spa
dc.description.tableofcontents3.2.1. Índice de refracción ............................................................................................. 58spa
dc.description.tableofcontentsSección 3.2. Resultados y análisis termo-acústico ..................................................................... 60spa
dc.description.tableofcontents3.2.1 Propagación de incertidumbre de la velocidad del sonido.................................................... 60spa
dc.description.tableofcontents3.1.2. Velocidad del sonido ................................................................................................ 60spa
dc.description.tableofcontents3.1.3. Propagación de incertidumbre de los volúmenes molares ................................. 62spa
dc.description.tableofcontents3.1.4. Volúmenes molares ............................................................................................ 63spa
dc.description.tableofcontentsD. Referencias ............................................................................................................................. 65spa
dc.description.tableofcontentsCAPÍTULO 4. RESULTADOS Y DISCUSIÓN SISTEMA PSEUDOBINARIO ......................................................................................................... 66spa
dc.description.tableofcontentsSección 4.1. Resultados y análisis refractométrico ..................................................................... 66spa
dc.description.tableofcontents4.1.1. Propagación de incertidumbre de la concentración molal............................................................... 66spa
dc.description.tableofcontents4.1.2. Índice de refracción ............................................................................................. 67spa
dc.description.tableofcontents4.1.3. Refracción molar, radio atómico y polarizabilidad .............................. 72spa
dc.description.tableofcontentsSección 4.2. Resultados y análisis termo-acústico ...................................................................... 76spa
dc.description.tableofcontents4.2.1. Velocidad del sonido ............................................................................................... 76spa
dc.description.tableofcontents4.2.3. Propagación en la incertidumbre del volumen molar ......................................... 81spa
dc.description.tableofcontents4.2.4. Volúmenes molares ................................................................................................ 81spa
dc.description.tableofcontents4.2.5. Propagación de incertidumbre del coeficiente de expansión térmica..................................... 83spa
dc.description.tableofcontents4.2.6. Coeficiente de expansión térmica ........................................................................... 84spa
dc.description.tableofcontents4.2.7. Propagación de incertidumbre en el coeficiente de compresibilidad isoentrópica .........................................................................................86spa
dc.description.tableofcontents4.2.8. Coeficiente de compresibilidad isoentrópica ......................................................... 87spa
dc.description.tableofcontents4.2.9. Propagación en la incertidumbre de la longitud libre intermolecular........................................ 91spa
dc.description.tableofcontents4.2.10 Longitud libre intermolecular .............................................................................. 92spa
dc.description.tableofcontents4.2.11. Propagación de incertidumbre para el volumen libre ........................................ 97spa
dc.description.tableofcontents4.2.21. Volumen libre ..................................................................................................... 98spa
dc.description.tableofcontents4.2.22. Número de solvatación .................................................................................... 100spa
dc.description.tableofcontents4.2.22. Tiempo de relajación .............................................................................................. 102spa
dc.description.tableofcontents4.2.23. Energía libre de Gibbs de activación ................................................................ 103spa
dc.description.tableofcontents4.2.24. Asociación relativa ........................................................................................... 105spa
dc.description.tableofcontents4.2.25. Presión interna ................................................................................................... 107spa
dc.description.tableofcontentsE. Referencias ........................................................................................................................... 110spa
dc.description.tableofcontentsCONCLUSIÓN ......................................................................................................................... 112spa
dc.format.mimetypeapplication/pdfspa
dc.identifier.urihttps://repositorio.unicordoba.edu.co/handle/ucordoba/2969spa
dc.language.isospaspa
dc.publisher.facultyFacultad de Ciencias Básicasspa
dc.publisher.programQuímicaspa
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dc.relation.referencesCuello, Y. Interacciones de la DL-alanina en soluciones acuosas del líquido iónico cloruro de 1-butil-3-metilmidazolio [Bmim+][Cl-] a partir de propiedades volumétricas y viscosimétricas a varias temperaturas. (Tesis de Maestría). Departamento de Química. Universidad de Córdoba (2013).spa
dc.rightsCopyright Universidad de Córdoba, 2020spa
dc.rights.accessrightsinfo:eu-repo/semantics/closedAccessspa
dc.rights.creativecommonsAtribución-NoComercial 4.0 Internacional (CC BY-NC 4.0)spa
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/spa
dc.subject.keywordsRefractometriceng
dc.subject.keywordsAmino acidseng
dc.subject.keywordsInteractionseng
dc.subject.keywordsAcousticspa
dc.subject.proposalAcústicaspa
dc.subject.proposalRefractometricaspa
dc.subject.proposalAminoácidosspa
dc.subject.proposalInteraccionesspa
dc.titlePropiedades refractométricas y acústicas de las soluciones acuosas de acetato de calcio + glicina a diferentes temperaturasspa
dc.typeTrabajo de grado - Pregradospa
dc.type.coarhttp://purl.org/coar/resource_type/c_7a1fspa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/bachelorThesisspa
dc.type.redcolhttps://purl.org/redcol/resource_type/TPspa
dc.type.versionInfo:eu-repo/semantics/publishedVersionspa
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oaire.accessrightshttp://purl.org/coar/access_right/c_14cbspa
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85spa
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