Serpentinite rock collected near Kopaonik Mountain in Serbia is considered as a multiphase assemblage mostly consisting of mineral lizardite. Forsterite has been obtained by chemical-thermal treatment of grounded sample of serpentinite. Electrochemical features of these two materials were investigated by using modified carbon paste electrode (CPE) which included mixing analytes, graphite powder and parafin oil as a binder and packing the mixture in a Teflon holder. Morphological and structural characteristics of the samples were analyzed by SEM and XRD techniques which revealed presence of certain crystal phases and agregates of irregular shapes sized from 10 to 40 μm. Cyclic voltammetry was employed to study their electrochemical characteristics. The peak current height and peak-to-peak separation showed that the electrochemical reaction is quasi-reversible. Kinetic parameters were derived from Tafel analysis. Calculated kinetic parameters indicated prominent electrocatalytic effect o...f the minerals for ferri/ferro cyanide redox reaction in aquaeous solution
Извор:
4th Conference of the Serbian Society for Ceramic Materials, 2017, 94-
Напомена:
Book Of Abstracts of 4th Conference of The Serbian Society for Ceramic Materials
TY - CONF
AU - Momčilović, Milan
AU - Đorđević, Jelena S.
AU - Zarubica, Aleksandra
AU - Ranđelović, Marjan
PY - 2017
UR - https://vinar.vin.bg.ac.rs/handle/123456789/10766
AB - Serpentinite rock collected near Kopaonik Mountain in Serbia is considered as a multiphase assemblage mostly consisting of mineral lizardite. Forsterite has been obtained by chemical-thermal treatment of grounded sample of serpentinite. Electrochemical features of these two materials were investigated by using modified carbon paste electrode (CPE) which included mixing analytes, graphite powder and parafin oil as a binder and packing the mixture in a Teflon holder. Morphological and structural characteristics of the samples were analyzed by SEM and XRD techniques which revealed presence of certain crystal phases and agregates of irregular shapes sized from 10 to 40 μm. Cyclic voltammetry was employed to study their electrochemical characteristics. The peak current height and peak-to-peak separation showed that the electrochemical reaction is quasi-reversible. Kinetic parameters were derived from Tafel analysis. Calculated kinetic parameters indicated prominent electrocatalytic effect of the minerals for ferri/ferro cyanide redox reaction in aquaeous solution
C3 - 4th Conference of the Serbian Society for Ceramic Materials
T1 - Electrochemical behaviour of serpentinite and forsterite in ferri/ferro cyanide benchmark redox system
SP - 94
UR - https://hdl.handle.net/21.15107/rcub_vinar_10766
ER -
@conference{
author = "Momčilović, Milan and Đorđević, Jelena S. and Zarubica, Aleksandra and Ranđelović, Marjan",
year = "2017",
abstract = "Serpentinite rock collected near Kopaonik Mountain in Serbia is considered as a multiphase assemblage mostly consisting of mineral lizardite. Forsterite has been obtained by chemical-thermal treatment of grounded sample of serpentinite. Electrochemical features of these two materials were investigated by using modified carbon paste electrode (CPE) which included mixing analytes, graphite powder and parafin oil as a binder and packing the mixture in a Teflon holder. Morphological and structural characteristics of the samples were analyzed by SEM and XRD techniques which revealed presence of certain crystal phases and agregates of irregular shapes sized from 10 to 40 μm. Cyclic voltammetry was employed to study their electrochemical characteristics. The peak current height and peak-to-peak separation showed that the electrochemical reaction is quasi-reversible. Kinetic parameters were derived from Tafel analysis. Calculated kinetic parameters indicated prominent electrocatalytic effect of the minerals for ferri/ferro cyanide redox reaction in aquaeous solution",
journal = "4th Conference of the Serbian Society for Ceramic Materials",
title = "Electrochemical behaviour of serpentinite and forsterite in ferri/ferro cyanide benchmark redox system",
pages = "94",
url = "https://hdl.handle.net/21.15107/rcub_vinar_10766"
}
Momčilović, M., Đorđević, J. S., Zarubica, A.,& Ranđelović, M.. (2017). Electrochemical behaviour of serpentinite and forsterite in ferri/ferro cyanide benchmark redox system. in 4th Conference of the Serbian Society for Ceramic Materials, 94.
https://hdl.handle.net/21.15107/rcub_vinar_10766
Momčilović M, Đorđević JS, Zarubica A, Ranđelović M. Electrochemical behaviour of serpentinite and forsterite in ferri/ferro cyanide benchmark redox system. in 4th Conference of the Serbian Society for Ceramic Materials. 2017;:94.
https://hdl.handle.net/21.15107/rcub_vinar_10766 .
Momčilović, Milan, Đorđević, Jelena S., Zarubica, Aleksandra, Ranđelović, Marjan, "Electrochemical behaviour of serpentinite and forsterite in ferri/ferro cyanide benchmark redox system" in 4th Conference of the Serbian Society for Ceramic Materials (2017):94,
https://hdl.handle.net/21.15107/rcub_vinar_10766 .
