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A new organo-mineral composite was obtained by adsorption of poly [8-hydroxyquinoline methacrylate] on the surface of saponite of the Tashkiv deposit (Khmelnytsky region, Ukraine). Poly [8-hydroxyquinoline methacrylate] was synthesized by initiated radical polymerization. Immobilization of poly [8-hydroxyquinoline methacrylate] on the saponite surface was confirmed using IR spectroscopy and thermogravimetric analysis combined with mass spectrometry. Scanning electron microscopy revealed that the polymer almost completely covers the surface of the mineral. As a result, the porosity of the mineral surface is significantly reduced. It was found that the sorption capacity of saponite after adsorption on its surface of poly [8-oxyquinoline methacrylate] increases with respect to Cu (II) and Fe (III) ions and remains unchanged with respect to Pb (II) ions.

Adsorption properties of natural Ukrainian saponite clay with adsorbed poly [8-hydroxyquinoline methacrylate] to Pb(ІІ), Cu(ІІ) and Fe(ІІІ) ions