Highly sensitive fluorescence optode based on polymer inclusion membranes for determination of Al(III) ions

F. B M Suah, Musa Ahmad, Yook Heng Lee

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

This paper reports the use of a polymer inclusion membranes (PIMs) for direct determination of Al(III) ions in natural water by using a fluorescence based optode. The best composition of the PIMs consisted of 60 wt.% (m/m) poly (vinyl chloride) (PVC) as the base polymer, 20 wt.% (m/m) triton X-100 as an extractant, 20 wt.% (m/m) dioctyl phthalate (DOP) as plasticizer and morin as the reagent, was used in this study. The inclusion of triton X-100 was used for enhancing the sorption of Al(III) ions from liquid phase into the membrane phase, thus increasing the optode fluorescence intensity. The optimized optode was characterized by a linear calibration curve in the range from 7.41 × 10-7 to 1.00 × 10-4 molL-1 of Al(III), with a detection limit of 5.19 × 10-7 molL-1. The response of the optode was 4 min and reproducible results were obtained for eight different membranes demonstrated good membrane stability. The optode was applied to the determination of Al(III) in natural water samples. The result obtained is comparable to atomic absorption spectrometry method.

Original languageEnglish
Pages (from-to)1235-1243
Number of pages9
JournalJournal of Fluorescence
Volume24
Issue number4
DOIs
Publication statusPublished - 2014

Fingerprint

Polymers
Fluorescence
inclusion
Ions
Membranes
Octoxynol
water
Diethylhexyl Phthalate
Vinyl Chloride
Plasticizers
Atomic absorption spectrometry
Water
Calibration
Limit of Detection
Sorption
Spectrum Analysis
Liquids
Chemical analysis

Keywords

  • Aluminium(III) determination
  • Natural waters
  • Optode
  • Polymer inclusion membrane

ASJC Scopus subject areas

  • Spectroscopy
  • Biochemistry
  • Clinical Biochemistry

Cite this

Highly sensitive fluorescence optode based on polymer inclusion membranes for determination of Al(III) ions. / Suah, F. B M; Ahmad, Musa; Lee, Yook Heng.

In: Journal of Fluorescence, Vol. 24, No. 4, 2014, p. 1235-1243.

Research output: Contribution to journalArticle

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