The synthesis and sodium-silver ion exchange of sodalites

Date

2003-05-01

Author

Acar, Aybar Can
Culfaz, A

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

197
views

0
downloads

Aluminosilicate sodalites of three different types-chlorosodalite, basic sodalite, and oxalate sodalite-have been synthesized in their sodium forms using hydrothermal synthesis. The syntheses were investigated in terms of their relative rates of crystallization and final crystallinities using powder X-ray diffraction. These sodalites were subsequently loaded with silver by aqueous ion exchange. The exchange was studied primarily by monitoring the solution phase. Rate of exchange and equilibrium behavior have been established over the temperature range of 25-80degreesC for all three types. Extreme selectivity toward silver over sodium was observed, with little dependence on temperature. Both sodium and silver sodalites were characterized by powder diffraction, and crystallographic data for silver sodalites have been derived using Rietveld refinement. Electron micrographs of sodalites have been used for investigations of crystallite morphology and size. Silver sodalites have been observed to manifest various optical properties including photochromic, barochromic, thermochromic, and fluorescent behavior.

Subject Keywords

Chlorosodalite, Basic sodalite, Oxalate sodalite, Synthesis, Silver ion exchange

URI

https://hdl.handle.net/11511/31741

Journal

CHEMICAL ENGINEERING COMMUNICATIONS

DOI

https://doi.org/10.1080/00986440390207468

Collections

Graduate School of Informatics, Article

Suggestions

OpenMETU
Core

THE OXIDATION OF BETA-ALKOXYCYCLOPENTENONES AND BETA-ALKOXYCYCLOHEXENONES TO ALPHA'-ACYLOXY DERIVATIVES USING MANGANESE(III) ACETATE IN COMBINATION WITH CARBOXYLIC-ACIDS Demir, Ayhan Sıtkı; SAYRAC, T; WATT, DS (1990-12-01) The alpha-oxidation of cyclic derivatives of beta-alkoxy-alpha, beta-unsaturated ketones using manganese (III) acetate in the presence of various carboxylic acids provided a convenient synthesis of 5-acyloxy-3-alkoxy-2-cyclopentenones and 6-acyloxy-3-alkoxy-2-cyclohexenones.
The Preparation of azido amino acids and the application of native chemical ligation in the synthesis of chlorotoxin Karaca, Ulvi Oral; Özçubukçu, Salih; Department of Chemistry (2014) In this project, the pharmaceutically and biologically important peptide, chlorotoxin (CLTX), and some derivatives of CLTX containing azido amino acids was synthesized by using solid phase peptide synthesis (SPPS) based on 9-fluorenylmethyloxycarbonyl (Fmoc) chemistry strategy and native chemical ligation. The native chemical ligation provides more efficient than only SPPS. Directly synthesis of CLTX by SPPS has very low yield, by using native chemical ligation, the yield is aimed much higher. The CLTX can ...
The Synthesis of 6- and 7- membered heterocyclic ring systems fused to pyridine ring Dinçoflaz, Yasemin; Balcı, Metin; Department of Chemistry (2013) The synthesis of the nitrogen containing heterocyclic compounds is one of the leading research areas throughout the organic chemistry due to their significant activities in biological systems. Among the various biologically active molecules, pyridine-fused ring systems are of prime importance on the grounds of their proven clinical roles. The coupling reactions with 6-membered heterocyclic compounds and diazepines gave rise to new pharmalogical compounds in recent years. Therefore, our object was the synthe...
The effect of aromatic diboronic acid on characteristics of polybenzoxazine based on phenol and 4-aminomethylbenzoate İPEK, HALİL; Hacaloğlu, Jale (2018-11-23) In this study, a polybenzoxazine, (PPab) based on phenol and 4-aminomethyl benzoate and its composites containing various amounts of 1,4-benzene diboronic acid, (BDBA) were synthesized by stepwise curing. It has been determined that both thermal stability and char yield were increased as the amount of BDBA incorporated was increased. The improvements in thermal characteristics were associated with condensation reactions of B-OH of BDBA and not only with hydroxyl groups of polybenzoxazine but also ester grou...
The effect of dissolved species on hydrophobic aggregation of fluorite Hicyilmaz, C; Bilgen, S; Ozbas, KE (1997-03-10) The hydrophobic aggregation of fluorite in the presence of Fe3+, Al3+, F- Ca2+, Mg2+ and Ba2+ ions was studied. Electrokinetic potentials were measured to interpret the effect of these ions on aggregation.

Citation Formats

A. C. Acar and A. Culfaz, “The synthesis and sodium-silver ion exchange of sodalites,” CHEMICAL ENGINEERING COMMUNICATIONS, pp. 861–882, 2003, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/31741.