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dc.contributor.author
Alonso, Manuel
dc.contributor.author
Chapela, Sebastián P.
dc.contributor.author
Cristaldo, María L.
dc.contributor.author
Nievas, Inés
dc.contributor.author
Burgos Oliver Gamondi, Hilda I.
dc.contributor.author
Stella, Carlos Alberto
dc.date.available
2017-04-17T15:30:20Z
dc.date.issued
2010-09
dc.identifier.citation
Alonso, Manuel; Chapela, Sebastián P.; Cristaldo, María L.; Nievas, Inés; Burgos Oliver Gamondi, Hilda I.; et al.; Determination of the pKa value of phenolphthalein by means of absorbance measurements; Scientific Research; Creative Education; 1; 2; 9-2010; 130-133
dc.identifier.issn
2151-4755
dc.identifier.uri
http://hdl.handle.net/11336/15288
dc.description.abstract
We here report a laboratory protocol for the determination of the pKa value of an acid by means of determinations obtained with a spectrophotometer. Students determine the acidity constant (Ka) and the pKa associated with phenolphthalein from the absorbance values obtained from phenolphthalein solutions at different pHs. The present protocol for the determination of the pKa takes a very short time and is useful when teaching in conditions with limited equipment.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Scientific Research
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
Medical Science Teaching
dc.subject.classification
Métodos de Investigación en Bioquímica
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Determination of the pKa value of phenolphthalein by means of absorbance measurements
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-04-07T14:27:42Z
dc.identifier.eissn
2151-4755
dc.journal.volume
1
dc.journal.number
2
dc.journal.pagination
130-133
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Delaware
dc.description.fil
Fil: Alonso, Manuel. Universidad de Buenos Aires. Facultad de Medicina. Departamento de Bioquímica Humana; Argentina
dc.description.fil
Fil: Chapela, Sebastián P.. Universidad de Buenos Aires. Facultad de Medicina. Departamento de Bioquímica Humana; Argentina
dc.description.fil
Fil: Cristaldo, María L.. Universidad de Buenos Aires. Facultad de Medicina. Departamento de Bioquímica Humana; Argentina
dc.description.fil
Fil: Nievas, Inés. Universidad de Buenos Aires. Facultad de Medicina. Departamento de Bioquímica Humana; Argentina
dc.description.fil
Fil: Burgos Oliver Gamondi, Hilda I.. Universidad de Buenos Aires. Facultad de Medicina. Departamento de Bioquímica Humana; Argentina
dc.description.fil
Fil: Stella, Carlos Alberto. Universidad de Buenos Aires. Facultad de Medicina. Departamento de Bioquímica Humana; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.journal.title
Creative Education
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.4236/ce.2010.12020
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.scirp.org/(S(i43dyn45teexjx455qlt3d2q))/journal/PaperInformation.aspx?PaperID=3018
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