Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Salvador B. Asensio"'
Publikováno v:
Journal of Solution Chemistry. 29:1123-1141
A potentiometric method has been used to determine the thermodynamicequilibrium constants for the macroscopic ionization processes of pyridoxal inwater—1,4-dioxane mixtures (0–70% weight fraction dioxane)at temperatures ranging from 10 to 50°C.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e43e78722efe141503ac896538aa2968
https://doi.org/10.1023/a:1005143217105
https://doi.org/10.1023/a:1005143217105
Publikováno v:
Journal of Solution Chemistry. 26:1021-1036
We have used a potentiometric method to determine the thermodynamic equilibrium constants for the macroscopic ionization processes of 5-deoxypyridoxal (DPL) in water-dioxane mixtures (0-70% weight fraction in dioxane) at temperatures ranging from 10
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8f90784bf94495b42154aa3bf0ffbdf
https://doi.org/10.1007/bf02768827
https://doi.org/10.1007/bf02768827
Autor:
Salvador B. Asensio, Juan Llor
Publikováno v:
Journal of Solution Chemistry. 25:667-679
The resolution of electronic spectra using log-normal curves has permitted a quantitative description of the equilibria of pyridoxal, one of the vitamin B6 molecules, and of the related 5-deoxypyridoxal in solution. Tautomeric, hydration and hemiacet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d80d69ac1cbbefc90b12ab48c2f034e
https://doi.org/10.1007/bf00972681
https://doi.org/10.1007/bf00972681
Autor:
Salvador B. Asensio, Juan Llor
Publikováno v:
Journal of Solution Chemistry. 24:1293-1305
The thermodynamics of tautomeric and microscopic ionization equilibrium constants of 3-hydroxypyridine and pyridoxine have been determined in waterdioxane mixtures (0–70% weight fraction in dioxane) ranging from 10°C to 50°C. Generally, for both
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a86627e933c9c29872790f5f5b36d184
https://doi.org/10.1007/bf00972834
https://doi.org/10.1007/bf00972834
Publikováno v:
Canadian Journal of Chemistry. 70:1635-1639
A potentiometric method has been used to determine the thermodynamic equilibrium constants for the macroscopic ionization processes of 3-hydroxypyridine and pyridoxine in water–dioxane mixtures (0–70% weight fraction in dioxane) at temperatures f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::877c8f0d7a900b9e362a13009bca6135
https://doi.org/10.1139/v92-203
https://doi.org/10.1139/v92-203
Publikováno v:
J. Chem. Soc., Perkin Trans. 2. :169-173
The electronic absorption spectra of 5-deoxypyridoxal have been obtained together with its macroscopic pK values in water-dioxane solution at 25 °C. These spectra have been resolved using log-normal curves, enabling the determination of the spectra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84fde0851bbc20d8c6d9fb935da60e58
https://doi.org/10.1039/p29870000169
https://doi.org/10.1039/p29870000169
Publikováno v:
International Journal of Chemical Kinetics. 21:51-61
We have carried out a kinetic study of the 4-pyridinecarboxaldehyde plus n-hexylamine system, at 25°C, in water-dioxan mixtures (0–60% v/v) and in the pH range pKa + 1.5 > pH > pKa − 1.5, where pKa is the pK value of the conjugate acid of the am
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e14601c718c75d63dc11948d924a2bb
https://doi.org/10.1002/kin.550210105
https://doi.org/10.1002/kin.550210105
Publikováno v:
ChemInform. 18
The electronic absorption spectra of 5-deoxypyridoxal have been obtained together with its macroscopic pK values in water-dioxane solution at 25 °C. These spectra have been resolved using log-normal curves, enabling the determination of the spectra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::013eeedf95a55d9182dc9469ea302b50
https://doi.org/10.1002/chin.198724063
https://doi.org/10.1002/chin.198724063
Autor:
Juan Llor, Manuel Cortijo, Salvador B. Asensio, I. Plaza, Enrique Lopez-Cantarero, Jose M. Sanchez-Ruiz
Publikováno v:
Biochemistry of Vitamin B6 ISBN: 9783034899895
The thermodynamic macroscopic ionization, tautomeric and hydration constants of several vitamin B6, molecules have been measured as a function of the temperature and solvent composition in water-dioxane mixtures. From these values the microscopic equ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99d3f49684e5d4d0b46044c6b4232185
https://doi.org/10.1007/978-3-0348-9308-4_63
https://doi.org/10.1007/978-3-0348-9308-4_63
