Characterisation of Aciplex Membrane by X-ray Photoelectron Spectroscopy

Abu Bakar Mohamad, and Wan Ramli Wan Daud, and Amir Kadhum, and Fathi Messaud, and Mohd. Ambar Yarmo, (1997) Characterisation of Aciplex Membrane by X-ray Photoelectron Spectroscopy. Sains Malaysiana , 26 (3 & 4). pp. 109-117. ISSN 01266039

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Affiliations

Universiti Kebangsaan Malaysia, Faculty of Engineering. Dept. of Chemical and Process Engineering["lib/metafield:join_corp_creators" not defined]Universiti Kebangsaan Malaysia, Faculty of Engineering. Dept. of Chemical and Process Engineering["lib/metafield:join_corp_creators" not defined]Universiti Kebangsaan Malaysia, Faculty of Engineering. Dept. of Chemical and Process Engineering["lib/metafield:join_corp_creators" not defined]Universiti Kebangsaan Malaysia, Faculty of Engineering. Dept. of Chemical and Process Engineering["lib/metafield:join_corp_creators" not defined]Kebangsaan Malaysia, Faculty of Physical and Applied Sciences. Dept. of Chemistry

Abstract

Chemical structure of treated and untreated Aciplex membrane has been studied by X-ray Photoelectron Spectroscopy (XPS). Survey spectra showed that both membrane surfaces consist of Fluorine, Carbon, Oxygen, Sulphur and trace of Titanium. Binding energies for the elements are (C1s at 290.6 eV, F1s at 687.5 eV, O1s at 531.3 eV, S2P at 168.1 eV and Ti2P at 454.4 eV). Analysis of narrow scan XPS-spectra of each element demonstrate the presence of (-CF, -CF2, CF3, C-O-C and SO-3) groups, which are in agreement with the structural formula as disclosed by the manufacturer. There is no significant change in chemical states of untreated and treated membrane, which reflect its stability to treatment conditions.

Struktur kimia Aciplex membran yang sudah dibersihkan dan yang belum dibersihkan telah dikaji menggunakan Spektroskopi Fotoelektron Sinaran-X (XPS). Spektra yang telah ditinjau menunjukkan bahawa kedua-dua permukaan membran mengandungi Florin, Karbon, Oksigen, Sulfur dan sedikit Titanium. Tenaga ikatan bagi unsur-unsur tersebut adalah (C1s pada 290.6 eV, F1s pada 687.5 eV. O1s pada 531.3 eV, S2P pada 168.2 eV dan Ti2P pada 454.4 eV). Analisis imbasan kecil spektra-xps bagi setiap unsur menunjukkan kehadiran kilmpulan (-CF, - CF2, CF3, C-O-C dan SO-3) yang bertepatan dengan formula struktur dari pihak pembekal. Tiada terdapat perubahan nyata berhubung dengan keadaan kimia membran yang sudah dibersihkan dan yang belum dibersihkan yang menggambarkan kestabilannya terhadap keadaan pembersihan.

Item Type:

Journal

Additional Information:

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Keywords:

Aciplex membrane, chemical structure

Subjects:

Q Science, Computer Science

ID Code:

3191