Abstract
The formation processes of precipitates of copper cations with diethyldithiocarbamate, xanthates (ethyl and buthyl), and isobutyl dithiophosphate are investigated using potentiometric and optical methods. The minimal value of the potential of the copper electrode (E Cu) with the formation of precipitates agrees well with the solubility product (SP) and forms the following series: copper diethyldithiocarbamate (E Cu = −335 mV, SP = 2.8 × 10−30) > butyl xanthate (E Cu = −225 mV, SP ≈ 10−26) > ethyl xanthate (E Cu = −163 mV, SP = 4 × 10−24) > isobutyl dithiophosphate (E Cu = −60 mV, SP ≈ 10−18). The visible agglomerates of precipitate particles are observed for all the studied sulfhydryl collectors (xanthates, dithiocarbamates, dithiophosphates) with the ethyl group of hydrocarbon radical. The butyl xanthate and isobutyl dithiophosphate form colloid precipitates with copper cations.
Similar content being viewed by others
References
Kakovskii, I.A. and Naboichenko, S.S., Termodinamika i kinetika gidrometallurgicheskikh protsessov (Thermodynamics and Kinetics of Hydrometallurgy Processes), Alma-Ata: Nauka, 1986.
Sebba, F., Ion Flotation, Amsterdam: Elsevier, 1962; Moscow: Metallurgiya, 1965.
Chanturiya, V.A. and Shafeev, R.Sh., Khimiya poverkhnosthykh yavlenii (Chemistry of Surface Phenomena), Moscow: Nedra, 1977.
Kirbitova, N.V., Eliseev, N.I., Glazurina, L.N., et al., Obogashch. Rud, 1976, no. 4, p. 24.
Kirbitova, N.V., Eliseev, N.I., Yuferov, V.P., et al., Fiz. Tekhn. Probl. Razrab. Polezn. Iskop., 1981, no. 4, p. 91.
Kakovskii, I.A., Sulfhydryl Reagents, in Fizikokhimicheskie osnovy flotatsii (Physicochemical Foundations of Flotation), Moscow: Nauka, 1983, p. 102.
Samygin, V.D., Grigor’ev, P.V., Filippov, L.O., et al., Izv. Vyssh. Uchebn. Zaved., Tsvetn. Metall., 2002, no. 2, p. 72.
Ignatkina, V.A., Samygin, V.D., and Bocharov, V.A., Gorn. Inf.-Anal. Byull., 2007, no. 6, p. 262.
Author information
Authors and Affiliations
Corresponding author
Additional information
Original Russian Text © V.A. Ignatkina, 2009, published in Izvestiya VUZ. Tsvetnaya Metallurgiya, 2009, No. 4, pp. 14–16.
About this article
Cite this article
Ignatkina, V.A. Investigation of the formation of precipitates of copper cations with sulfhydryl collectors. Russ. J. Non-ferrous Metals 50, 327–329 (2009). https://doi.org/10.3103/S1067821209040026
Published:
Issue Date:
DOI: https://doi.org/10.3103/S1067821209040026