PREFERENTIAL SOLVATION OF L-ARABINOSE AND DL-MALIC ACID IN ETHANOL + WATER MIXTURES
By using the inverse Kirkwood-Buff integrals (IKBI) method, the differences between the local, around the solute and the bulk mole fractions of both solvents in saturated solutions of L-arabinose (compound 3) and DL-malic acid (compound 3) in ethanol (compound 1) + water (compound 2) binary mixtures...
- Autores:
-
Cárdenas, Zaira J.
Jiménez, Daniel M.
Martínez, Fleming
- Tipo de recurso:
- Article of journal
- Fecha de publicación:
- 2017
- Institución:
- Universidad Nacional de Colombia
- Repositorio:
- Universidad Nacional de Colombia
- Idioma:
- spa
- OAI Identifier:
- oai:repositorio.unal.edu.co:unal/67333
- Acceso en línea:
- https://repositorio.unal.edu.co/handle/unal/67333
http://bdigital.unal.edu.co/68362/
- Palabra clave:
- 53 Física / Physics
5 Ciencias naturales y matemáticas / Science
L-arabinose
DL-malic acid
ethanol
solubility
IKBI
preferential solvation.
L-arabinosa
ácido DL-málico
etanol
solubilidad
IKBI
solvatación preferencial.
- Rights
- openAccess
- License
- Atribución-NoComercial 4.0 Internacional
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| dc.title.spa.fl_str_mv |
PREFERENTIAL SOLVATION OF L-ARABINOSE AND DL-MALIC ACID IN ETHANOL + WATER MIXTURES |
| title |
PREFERENTIAL SOLVATION OF L-ARABINOSE AND DL-MALIC ACID IN ETHANOL + WATER MIXTURES |
| spellingShingle |
PREFERENTIAL SOLVATION OF L-ARABINOSE AND DL-MALIC ACID IN ETHANOL + WATER MIXTURES 53 Física / Physics 5 Ciencias naturales y matemáticas / Science L-arabinose DL-malic acid ethanol solubility IKBI preferential solvation. L-arabinosa ácido DL-málico etanol solubilidad IKBI solvatación preferencial. |
| title_short |
PREFERENTIAL SOLVATION OF L-ARABINOSE AND DL-MALIC ACID IN ETHANOL + WATER MIXTURES |
| title_full |
PREFERENTIAL SOLVATION OF L-ARABINOSE AND DL-MALIC ACID IN ETHANOL + WATER MIXTURES |
| title_fullStr |
PREFERENTIAL SOLVATION OF L-ARABINOSE AND DL-MALIC ACID IN ETHANOL + WATER MIXTURES |
| title_full_unstemmed |
PREFERENTIAL SOLVATION OF L-ARABINOSE AND DL-MALIC ACID IN ETHANOL + WATER MIXTURES |
| title_sort |
PREFERENTIAL SOLVATION OF L-ARABINOSE AND DL-MALIC ACID IN ETHANOL + WATER MIXTURES |
| dc.creator.fl_str_mv |
Cárdenas, Zaira J. Jiménez, Daniel M. Martínez, Fleming |
| dc.contributor.author.spa.fl_str_mv |
Cárdenas, Zaira J. Jiménez, Daniel M. Martínez, Fleming |
| dc.subject.ddc.spa.fl_str_mv |
53 Física / Physics 5 Ciencias naturales y matemáticas / Science |
| topic |
53 Física / Physics 5 Ciencias naturales y matemáticas / Science L-arabinose DL-malic acid ethanol solubility IKBI preferential solvation. L-arabinosa ácido DL-málico etanol solubilidad IKBI solvatación preferencial. |
| dc.subject.proposal.spa.fl_str_mv |
L-arabinose DL-malic acid ethanol solubility IKBI preferential solvation. L-arabinosa ácido DL-málico etanol solubilidad IKBI solvatación preferencial. |
| description |
By using the inverse Kirkwood-Buff integrals (IKBI) method, the differences between the local, around the solute and the bulk mole fractions of both solvents in saturated solutions of L-arabinose (compound 3) and DL-malic acid (compound 3) in ethanol (compound 1) + water (compound 2) binary mixtures were derived from their thermodynamic properties. Accordingly, it is found that these compounds are sensitive to preferential solvation effects; in this way, the preferential solvation parameter (dx1,3) for L-arabinose is slightly positive in water-rich mixtures but negative in those beyond 0.25 in ethanol mole fraction. In different way, the dx1,3 values of DL-malic acid are negative in almost all the compositions. The highest solvation by ethanol observed in water-rich mixtures for L-arabinose could be due mainly to polarity effects. Otherwise, the preference of these compounds for water in ethanol-rich mixtures could be explained in terms of the higher acidic behavior of water interacting with hydrogen-acceptor hydroxyl groups in L-arabinose and DL-malic acid. |
| publishDate |
2017 |
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2017-01-01 |
| dc.date.accessioned.spa.fl_str_mv |
2019-07-03T04:01:56Z |
| dc.date.available.spa.fl_str_mv |
2019-07-03T04:01:56Z |
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Artículo de revista |
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http://purl.org/coar/resource_type/c_2df8fbb1 |
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info:eu-repo/semantics/article |
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info:eu-repo/semantics/publishedVersion |
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http://purl.org/coar/resource_type/c_6501 |
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http://purl.org/coar/version/c_970fb48d4fbd8a85 |
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Text |
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http://purl.org/redcol/resource_type/ART |
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http://purl.org/coar/resource_type/c_6501 |
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publishedVersion |
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ISSN: 2500-8013 |
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https://repositorio.unal.edu.co/handle/unal/67333 |
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http://bdigital.unal.edu.co/68362/ |
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ISSN: 2500-8013 |
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https://repositorio.unal.edu.co/handle/unal/67333 http://bdigital.unal.edu.co/68362/ |
| dc.language.iso.spa.fl_str_mv |
spa |
| language |
spa |
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https://revistas.unal.edu.co/index.php/momento/article/view/62428 |
| dc.relation.ispartof.spa.fl_str_mv |
Universidad Nacional de Colombia Revistas electrónicas UN MOMENTO - Revista de Física MOMENTO - Revista de Física |
| dc.relation.references.spa.fl_str_mv |
Cárdenas, Zaira J. and Jiménez, Daniel M. and Martínez, Fleming (2017) PREFERENTIAL SOLVATION OF L-ARABINOSE AND DL-MALIC ACID IN ETHANOL + WATER MIXTURES. MOMENTO (54). pp. 14-28. ISSN 2500-8013 |
| dc.rights.spa.fl_str_mv |
Derechos reservados - Universidad Nacional de Colombia |
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http://purl.org/coar/access_right/c_abf2 |
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Atribución-NoComercial 4.0 Internacional |
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http://creativecommons.org/licenses/by-nc/4.0/ |
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info:eu-repo/semantics/openAccess |
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Atribución-NoComercial 4.0 Internacional Derechos reservados - Universidad Nacional de Colombia http://creativecommons.org/licenses/by-nc/4.0/ http://purl.org/coar/access_right/c_abf2 |
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openAccess |
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application/pdf |
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Universidad Nacional de Colombia - Sede Bogotá - Facultad de Ciencias - Departamento de Física |
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Universidad Nacional de Colombia |
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Atribución-NoComercial 4.0 InternacionalDerechos reservados - Universidad Nacional de Colombiahttp://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Cárdenas, Zaira J.244100d2-7967-4786-a18b-505aa31bd603300Jiménez, Daniel M.7dfc5c12-527f-41f8-9ba1-beddee7afd94300Martínez, Flemingbe007cbd-0d6f-4f71-bc0c-9a77ef95fca23002019-07-03T04:01:56Z2019-07-03T04:01:56Z2017-01-01ISSN: 2500-8013https://repositorio.unal.edu.co/handle/unal/67333http://bdigital.unal.edu.co/68362/By using the inverse Kirkwood-Buff integrals (IKBI) method, the differences between the local, around the solute and the bulk mole fractions of both solvents in saturated solutions of L-arabinose (compound 3) and DL-malic acid (compound 3) in ethanol (compound 1) + water (compound 2) binary mixtures were derived from their thermodynamic properties. Accordingly, it is found that these compounds are sensitive to preferential solvation effects; in this way, the preferential solvation parameter (dx1,3) for L-arabinose is slightly positive in water-rich mixtures but negative in those beyond 0.25 in ethanol mole fraction. In different way, the dx1,3 values of DL-malic acid are negative in almost all the compositions. The highest solvation by ethanol observed in water-rich mixtures for L-arabinose could be due mainly to polarity effects. Otherwise, the preference of these compounds for water in ethanol-rich mixtures could be explained in terms of the higher acidic behavior of water interacting with hydrogen-acceptor hydroxyl groups in L-arabinose and DL-malic acid.Utilizando algunas propiedades termodinámicas clásicas de disolución se calcularon los parámetros de solvatación preferencial dx1,3) de L-arabinosa y ácido DL-málico en mezclas etanol + agua mediante el método de las integrales inversas de Kirkwood-Buff (IKBI, por sus siglas en inglés); estos parámetros dx1,3 corresponden a las diferencias entre las fracciones molares locales alrededor del soluto y en el grueso de la solución. Se observó que estos compuestos son sensibles a efectos específicos de solvatación según la composición de la mezcla cosolvente. Así, los valores de dx1,3 para la L-arabinosa son positivos en mezclas ricas en agua pero negativos en composiciones desde 0.25 en fracción molar de etanol hasta el etanol puro. Sin embargo, en el caso del ácido DL-málico los valores de dx1,3 son negativos en todas las composiciones cosolventes analizadas. En mezclas ricas en agua la mayor solvatación de la L-arabinosa por parte de las moléculas de etanol podría deberse principalmente a efectos de polaridad. De otro lado, la preferencia que manifiestan ambos compuestos por el agua en mezclas ricas en etanol, podría explicarse en términos de la mayor acidez del agua, la cual estaría interactuando con los grupos aceptores de hidrógeno presentes en los dos solutos.application/pdfspaUniversidad Nacional de Colombia - Sede Bogotá - Facultad de Ciencias - Departamento de Físicahttps://revistas.unal.edu.co/index.php/momento/article/view/62428Universidad Nacional de Colombia Revistas electrónicas UN MOMENTO - Revista de FísicaMOMENTO - Revista de FísicaCárdenas, Zaira J. and Jiménez, Daniel M. and Martínez, Fleming (2017) PREFERENTIAL SOLVATION OF L-ARABINOSE AND DL-MALIC ACID IN ETHANOL + WATER MIXTURES. MOMENTO (54). pp. 14-28. ISSN 2500-801353 Física / Physics5 Ciencias naturales y matemáticas / ScienceL-arabinoseDL-malic acidethanolsolubilityIKBIpreferential solvation.L-arabinosaácido DL-málicoetanolsolubilidadIKBIsolvatación preferencial.PREFERENTIAL SOLVATION OF L-ARABINOSE AND DL-MALIC ACID IN ETHANOL + WATER MIXTURESArtículo de revistainfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1http://purl.org/coar/version/c_970fb48d4fbd8a85Texthttp://purl.org/redcol/resource_type/ARTORIGINAL62428-317197-3-PB.pdfapplication/pdf554193https://repositorio.unal.edu.co/bitstream/unal/67333/1/62428-317197-3-PB.pdf55223517ad8039a20d2866380ffa3c04MD51THUMBNAIL62428-317197-3-PB.pdf.jpg62428-317197-3-PB.pdf.jpgGenerated Thumbnailimage/jpeg7129https://repositorio.unal.edu.co/bitstream/unal/67333/2/62428-317197-3-PB.pdf.jpgc6ccd4edf0cf93a8fdd93b5401915bbcMD52unal/67333oai:repositorio.unal.edu.co:unal/673332023-05-29 23:02:58.814Repositorio Institucional Universidad Nacional de Colombiarepositorio_nal@unal.edu.co |