Study of the possibility of synthesis of stable submicron tin dioxide and its application for sorption extraction Pb(II), Cd(II)
Abstract
The possibility of chemical synthesis and sorption properties of submicron tin dioxide with a particle size of 3-5 microns with respect to Cu(II), Pb(II), and Cd(II) ions are investigated. The possibility of using glycerol as a stabilizer of the particle size of the resulting tin dioxide is shown. It is established that the sorption of the studied metal ions by particles of submicron tin dioxide is described by the Langmuir model. Optimization of the sorption conditions allowed us to achieve a high sorption activity of submicron tin dioxide with respect to the specified ions Pb(II) 97%, Cd (II) 77%. The high sorption efficiency of the obtained submicron tin dioxide hydrosol was revealed in comparison with the corresponding literature data.
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