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Kinetic determination of microquantities of rutin by perturbation of the Bray-Liebhafsky oscillatory reaction in an open system
dc.creator | Pejić, Nataša | |
dc.creator | Anić, Slobodan | |
dc.creator | Kuntić, Vesna | |
dc.creator | Vukojević, Vladana | |
dc.creator | Kolar-Anić, Ljiljana | |
dc.date.accessioned | 2019-09-02T10:56:47Z | |
dc.date.available | 2019-09-02T10:56:47Z | |
dc.date.issued | 2003 | |
dc.identifier.issn | 1436-5073 | |
dc.identifier.uri | https://farfar.pharmacy.bg.ac.rs/handle/123456789/426 | |
dc.description.abstract | A kinetic method is described for the microquantitative (microconcentration/microvolume) determination of rutin based on potentiometric monitoring of the concentration perturbations of the Bray-Liebhafsky (BL) oscillatory reaction being in a non-equilibrium stationary state close to a bifurcation point. The experiments are carried out in an open reactor. The response of the matrix system to perturbations by different concentrations of rutin ethanolic solutions is followed by a Pt-electrode. In the concentration range between 7.8x10(-8) mol dm(-3) and 9.1x10(-6) mol dm(-3), we found a linear dependence of the maximal potential shift, DeltaE(m), on the logarithm of the rutin concentrations. The unknown concentrations can be determined from the calibration curve up to an accuracy of +/-5%. The detection limit is 3.6x10(-8) mol dm(-3). The amount of required sample can be as small as 10 muL. | en |
dc.publisher | Springer-Verlag Wien, Vienna | |
dc.rights | restrictedAccess | |
dc.source | Microchimica Acta | |
dc.subject | determination of rutin | en |
dc.subject | kinetic analytical method | en |
dc.subject | Bray-Liebhafsky oscillatory reaction | en |
dc.subject | potentiometry | en |
dc.title | Kinetic determination of microquantities of rutin by perturbation of the Bray-Liebhafsky oscillatory reaction in an open system | en |
dc.type | article | |
dc.rights.license | ARR | |
dcterms.abstract | Вукојевић, Владана; Колар-Aнић, Љиљана; Aнић, С; Кунтић, Весна; Пејић, Наташа; | |
dc.citation.volume | 143 | |
dc.citation.issue | 4 | |
dc.citation.spage | 261 | |
dc.citation.epage | 267 | |
dc.citation.other | 143(4): 261-267 | |
dc.identifier.wos | 000187012700008 | |
dc.identifier.doi | 10.1007/s00604-003-0071-8 | |
dc.identifier.scopus | 2-s2.0-1542343915 | |
dc.type.version | publishedVersion |