Acid-Base Equilibrium of 6-Benzylaminopurine and Its 4-Chloro and 4-Methoxy Derivatives in Water-Ethanol Solutions Studied by Voltammetry and Spectrophotometry

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F11%3A00053590" target="_blank" >RIV/00216224:14310/11:00053590 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1002/elan.201100282" target="_blank" >http://dx.doi.org/10.1002/elan.201100282</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1002/elan.201100282" target="_blank" >10.1002/elan.201100282</a>

Result language

angličtina

Original language name

Acid-Base Equilibrium of 6-Benzylaminopurine and Its 4-Chloro and 4-Methoxy Derivatives in Water-Ethanol Solutions Studied by Voltammetry and Spectrophotometry

Original language description

The apparent pK(a) values of 6-benzylaminopurine (BAP) and its 4-chloro-6-benzylaminopurine and 4-methoxy-6-benzylaminopurine derivatives were determined in good agreement with voltammetric approaches and with spectrophotometry. Whereas at acidic pH values two overlapped reduction peaks on the mercury electrode were obtained, at more slightly alkaline solutions one reduction signal was measured not only for BAP but also for its derivatives. Furthermore, high scan rates, low ionic strength concentrationand a high percentage of the organic solvent cause the best splitting of signals. For the detailed study of such a phenomenon, elimination voltammetry with linear scan (EVLS) was used concluding that the reasons of the peak splitting seem to be related to two different reduction mechanisms that take place on the electrode mainly controlled by adsorption.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

CF - Physical chemistry and theoretical chemistry

OECD FORD branch

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Project

<a href="/en/project/LC06035" target="_blank" >LC06035: Centre of Biophysical Chemistry, Bioelectrochemistry and Bioanalysis. New Tools for Genomics, Proteomics and Biomedicine.</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach

Publication year

2011

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Electroanalysis

ISSN

1040-0397

e-ISSN

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Volume of the periodical

23

Issue of the periodical within the volume

9

Country of publishing house

CZ - CZECH REPUBLIC

Number of pages

9

Pages from-to

2217-2225

UT code for WoS article

000295143900031

EID of the result in the Scopus database

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