PILLARIZATION OF LAYERED TETRATITANATES ANION BY ZIRCONIUM(IV) POLYCATION SPECIES

https://doi.org/10.22146/ijc.21502

Hari Sutrisno(1*), Endang Dwi Siswani(2)

(1) Department of Chemistry Education, Faculty of Mathematics and Natural Sciences, Yogyakarta State University (UNY), Karangmalang, Yogyakarta 55281
(2) Department of Chemistry Education, Faculty of Mathematics and Natural Sciences, Yogyakarta State University (UNY), Karangmalang, Yogyakarta 55281
(*) Corresponding Author

Abstract


Pillaring layered tetratitanates anion by zirkonium(IV) polycation species has been realized by three steps: 1). cation-exchange of potasium tetratitanates, 2). intercalation of n-butylamine compound in layered hydrogen tetratitanates and 3). intercalation of zirconium(IV) polycation species by mixing butylamine-intercalated tetratitanates with an aqueous solution of ZrOCl2.8H2O at pH various: 0.1, 0.9 and 1.8. The procedure was carried out by Chimie Douce method. The structures of titanates and the products which had undergone H+ exchange and intercalated by n-butylamine and zirkonium(IV) polycation spesies were investigated by X-rays Diffractometer (XRD) and X-rays Fluorescence (XRF). It was found in the research that [Zr(H2O)8]4+, [Zr(OH)(H2O)7]3+ or [Zr(OH)2(H2O)6]2+ types have presented in the interlayer of the products. At pH = 0.1 and 0.9, [Zr(OH)(H2O)7]3+ type was pillared more dominated in layered tetratitanates than [Zr(H2O)8]4+ type. At pH 1.8, it was signaled that [Zr(OH)(H2O)7]3+ and [Zr(OH)2(H2O)6]2+ types intercalated in layered tetratitanates.

 

Keywords: tetratitanates, intercalation, zirconium(IV) species, Chimie Douce


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DOI: https://doi.org/10.22146/ijc.21502

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Indonesian Journal of Chemisty (ISSN 1411-9420 / 2460-1578) - Chemistry Department, Universitas Gadjah Mada, Indonesia.

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