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http://ciatec.repositorioinstitucional.mx/jspui/handle/1019/195| Electrochemical determination of acidity level and dissociation of formic acid-water mixtures as solvent | |
| JESUS SALVADOR JAIME FERRER | |
| Acceso Abierto | |
| Atribución-NoComercial | |
| Electroquímica Química física | |
| The autoprotolysis constant KHS of formic acid/water mixtures as solvent has been calculated from acid-base potentiometric titration curves. A correlation of the acidity scale pKHS of each media vs. that of pure water has been implemented owing to the electrochemical redox function R°(H+) of Strehlow. The results show that formic acid/water mixtures are much more dissociated than pure water; they are sufficiently dissociated media to allow electrochemical measures without addition of an electrolyte. It has also been shown that for a same H+ concentration the activity of protons increases when formic acid concentration grows. For more than 80% by weight of formic acid the acidity is sufficiently increased so that the whole acidity scale pKHS is in the super acid medium of the generalized acidity scale pHH2O. | |
| 2012 | |
| Artículo | |
| Inglés | |
| Empresas Estudiantes Investigadores Maestros | |
| ELECTROQUÍMICA | |
| Versión publicada | |
| publishedVersion - Versión publicada | |
| Appears in Collections: | Artículos de investigación |
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