Abstract
A sorbent was synthesized as a cellulose cloth, the fibers of which have nanopores with walls made of cellulose chains and ethanol cyclams. The formation of (NH4)2[NiL(NH3)2Cl2] complexes where L2– is the CH–(O–)–CH–(O–) glucopyranose group was established by chemical analysis and IR and UV/Vis spectroscopy. Using small-angle X-ray scattering and measurement of the partial free space and adsorption capacity, the complex formation in the [Ni(NH3)6]Cl2 concentration range of up to 0.43 mol/L was found to occur in nanopores with the sorption constant K sorb = 15.8. The limiting content of the complexes is 2.63 mmol/g and their effective radius is 0.45 nm. In the concentration range of 0.43–0.91 mol/L, the complexation occurs on the fiber surface, K sorb = 1.85. The effective radius of the complexes is 0.5 nm.
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Original Russian Text © A.Yu. Tsivadze, A.Ya. Fridman, A.K. Novikov, N.P. Sokolova, E.M. Morozova, A.M. Voloshchuk, I.I. Bardyshev, A.M. Gorbunov, A.Yu. Chernyadiev, A.A. Averin, 2016, published in Koordinatsionnaya Khimiya, 2016, Vol. 42, No. 12, pp. 747–750.
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Tsivadze, A.Y., Fridman, A.Y., Novikov, A.K. et al. The formation of nickel(II) chloride ammine complexes in the pores of modified fibers of cellulose cloth. Russ J Coord Chem 42, 775–778 (2016). https://doi.org/10.1134/S107032841612006X
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DOI: https://doi.org/10.1134/S107032841612006X