Abstract
Procedures were developed for determining ionol by voltammetry and by coulometric titration with electrogenerated chlorine using the amperometric indication of the titration end point. Possible mechanisms of ionol oxidation with electrogenerated chlorine and its electrochemical oxidation at a glassy carbon and a gold electrode were discussed. Procedures were developed for determining ionol in mineral oil in analytical ranges from 1.0 × 10–4 to 1.0 × 10–2 M (RSD = 9%) and from 3.0 × 10–5 to 4.0 × 10–3 M (RSD = 9%) using a glassy carbon and a gold electrode, respectively. The detection limits for ionol at the glassy carbon and gold electrode were 2.8 × 10–4 and 1.0 × 10–5 M, respectively. The detection limit in coulometric titration was 20 μg/mL.
Similar content being viewed by others
REFERENCES
Roginskii, V.A., Fenol'nye antioksidanty. Reaktsionnaya sposobnost’ i effektivnost’ (Phenolic Antioxidants: Reactivity and Efficiency), Moscow: Nauka, 1988.
Ruiz, M.A., Yanezsedeno, P., and Pingarron, J.M., Electroanalysis(N. Y.), 1994, vol. 6, nos. 5–6, p. 475.
Ruiz, M.A., Calvo, M.P., and Pingarron, J.M., Talanta, 1994, vol. 41, no. 2, p. 289.
Espinosomansilla, A., Salinas, F., Delolmo, M., and Paya, I.D., Appl. Spectrosc., 1996, vol. 50, no. 4, p. 449.
GOST(State Standard) 11254–65: Rendered Animal Fats. Procedures for Determination of Antioxidants, Moscow: Izd-vo Standartov, 1980.
RD(Directive Document) 34.43.209–97: Rapid Procedure for Determination of Antioxidant Additive (Ionol) in Fresh and Working Turbine Oils, Moscow: Khimiya, 1999.
Svoistva organicheskikh soedinenii, Spravochnik(The Properties of Organic Compounds: Reference Data), Potekhin, A.A., Ed., Leningrad: Khimiya, 1984.
Ershov, V.V., Nikiforov, G.A., and Volod'kin, A.A., Prostranstvenno-zatrudnennye fenoly(Sterically Hindered Phenols), Moscow: Khimiya, 1972.
Elektrokhimiya organicheskikh soedinenii(Electrochemistry of Organic Compounds), Tomilov, A.P. and Feoktistov, L.G., Eds., Moscow: Mir, 1976.
Organicheskaya elektrokhimiya(Organic Electrochemistry), Petrosyan, V.A. and Feoktistov, L.G., Eds., Moscow: Khimiya, 1988.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Abdullin, I.F., Turova, E.N., Parshakova, Y.V. et al. Determination of Ionol by Voltammetry and Coulometric Titration. Journal of Analytical Chemistry 57, 248–252 (2002). https://doi.org/10.1023/A:1014400517096
Issue Date:
DOI: https://doi.org/10.1023/A:1014400517096