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FT-IR and FT-Raman spectroscopic investigations of adsorption of 2,2 '-biquinoline by smectite group clay minerals from Anatolia.

Research output: Contribution to journalJournal articlepeer-review

Published
  • Sevim Akyüz
  • Tanil Akyüz
  • J. Eric D. Davies
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<mark>Journal publication date</mark>02/2000
<mark>Journal</mark>Vibrational Spectroscopy
Issue number1-2
Volume22
Number of pages7
Pages (from-to)11-17
Publication StatusPublished
<mark>Original language</mark>English

Abstract

The sorption of 2,2′-biquinoline onto natural and ion-exchanged montmorillonite (Fe-, Co- or Cu-montmorillonite) and saponite from Anatolia have been investigated using FT-IR and FT-Raman Spectrometry. The intercalation of 2,2′-biquinoline within natural and ion-exchanged montmorillonite and saponite has been shown by X-ray diffraction to increase the interlayer spacing. The difference of basal spacing of air-dried clays and biquinoline treated ones shows monolayer arrangement. Raman spectroscopy was particularly useful for investigation of clay-organic interaction. Vibrational spectroscopy indicates that intercalated 2,2′-biquinoline molecules are coordinated to exchangeable cations (directly and indirectly through water bridges) and/or Lewis acid sites or as bidentate ligand.