Study of the possibility of synthesis of stable submicron iron hexacyanoferrate and its application for sorption extraction Cu(II), Ag(I)
Abstract
– The possibility of chemical synthesis and sorption properties of submicron iron hexacyanoferrate Fe4[Fe(CN)6]3 with a particle size of 5 – 7 microns with respect to Cu(II), Ag(I) ions are investigated. The possibility of using sodium hydrotartate NaHC4H4O6 as a stabilizer of the particle size of the resulting iron hexacyanoferrate is shown. It is established that the sorption of the studied metal ions by particles of submicron iron hexacyanoferrate is described by the Langmuir model. Optimization of the sorption conditions allowed us to achieve a high sorption activity of submicron iron hexacyanoferrate with respect to the specified ions Cu(II) 91,1%, Ag(I) 88,2%. The high sorption efficiency of the obtained submicron iron hexacyanoferrate was revealed in comparison with the corresponding literature data.
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Copyright (c) 2022 Rimma R. Ilyasova, Aigiza A. Gilimhanova, Raushaniya A. Shakirova, Ismail A. Massalimov, and Akhat G. Mustafin
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