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FT-IR and FT-raman spectroscopic investigations of adsorption of 2-aminopyridine on natural and ion-exchanged bentonites.

Akyüz, S. and Akyüz, T. and Davies, J. Eric D. (1999) FT-IR and FT-raman spectroscopic investigations of adsorption of 2-aminopyridine on natural and ion-exchanged bentonites. Journal of Molecular Structure, 482-48 (1). pp. 49-52. ISSN 0022-2860

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Abstract

The adsorption of 2-aminopydine (2AP) on natural and ion-exchanged bentonites (Mn-, Fe-, Co- or Ni-bentonite) have been investigated using IR and Raman Spectroscopy. The intercalation of 2AP within natural and ion-exchanged bentonites has been shown by X-ray diffraction to increase the interlayer spacing. Vibrational spectroscopy indicates that intercalated 2AP molecules are coordinated to Lewis acid sites or exchangeable cations (directly or indirectly through water bridges). It is concluded that ring nitrogen, not the amino nitrogen is involved in coordination. Moreover amino group hydrogens are found to be involved in hydrogen bonding interaction with water molecules (NHOH2).

Item Type: Article
Journal or Publication Title: Journal of Molecular Structure
Uncontrolled Keywords: FT–IR ; FT–Raman ; Clay ; Bentonite ; Intercalation ; Aminopyridine
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Departments:
ID Code: 21677
Deposited By: ep_ss_importer
Deposited On: 04 Feb 2009 11:26
Refereed?: Yes
Published?: Published
Last Modified: 21 Sep 2017 03:20
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/21677

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