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.
TY - JOUR
AU - Pejić, Nataša
AU - Anić, Slobodan
AU - Kuntić, Vesna
AU - Vukojević, Vladana
AU - Kolar-Anić, Ljiljana
PY - 2003
UR - https://farfar.pharmacy.bg.ac.rs/handle/123456789/426
AB - 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.
PB - Springer-Verlag Wien, Vienna
T2 - Microchimica Acta
T1 - Kinetic determination of microquantities of rutin by perturbation of the Bray-Liebhafsky oscillatory reaction in an open system
VL - 143
IS - 4
SP - 261
EP - 267
DO - 10.1007/s00604-003-0071-8
ER -
@article{
author = "Pejić, Nataša and Anić, Slobodan and Kuntić, Vesna and Vukojević, Vladana and Kolar-Anić, Ljiljana",
year = "2003",
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.",
publisher = "Springer-Verlag Wien, Vienna",
journal = "Microchimica Acta",
title = "Kinetic determination of microquantities of rutin by perturbation of the Bray-Liebhafsky oscillatory reaction in an open system",
volume = "143",
number = "4",
pages = "261-267",
doi = "10.1007/s00604-003-0071-8"
}
Pejić, N., Anić, S., Kuntić, V., Vukojević, V.,& Kolar-Anić, L.. (2003). Kinetic determination of microquantities of rutin by perturbation of the Bray-Liebhafsky oscillatory reaction in an open system. in Microchimica Acta
Springer-Verlag Wien, Vienna., 143(4), 261-267.
https://doi.org/10.1007/s00604-003-0071-8
Pejić N, Anić S, Kuntić V, Vukojević V, Kolar-Anić L. Kinetic determination of microquantities of rutin by perturbation of the Bray-Liebhafsky oscillatory reaction in an open system. in Microchimica Acta. 2003;143(4):261-267.
doi:10.1007/s00604-003-0071-8 .
Pejić, Nataša, Anić, Slobodan, Kuntić, Vesna, Vukojević, Vladana, Kolar-Anić, Ljiljana, "Kinetic determination of microquantities of rutin by perturbation of the Bray-Liebhafsky oscillatory reaction in an open system" in Microchimica Acta, 143, no. 4 (2003):261-267,
https://doi.org/10.1007/s00604-003-0071-8 . .
