Highly sensitive fluorescence optode for aluminium(III) based on non-plasticized polymer inclusion membrane

Faiz Bukhari Mohd Suah, Musa Ahmad, Yook Heng Lee

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A highly sensitive and simple reagent immobilization procedure for a non-plasticized fluorescence optode based on polymer inclusion membranes (PIM) has been developed. The preparation procedure is based on physical immobilization procedure, namely encapsulation technique which produces an optical sensing membrane. The sensitive PIM contains poly (vinyl chloride) (PVC) as the base polymer, Aliquat 336 as an extractant and sodium morin-5-sulphonate (NaMSA) as the reagent. The use of PIM has increased the response of the PIM based optode about five-fold enhancement compared to the non-PIM optode. The optimized optode was characterized by a linear calibration curve in the range from 5.19 × 10-7 to 6.00 × 10-5 mol L -1 of aluminium(III) (Al(III)), with a detection limit of 4.07 × 10-7 mol L-1. The response of the optode was three minutes and it was also found to be reproducible. The optode has been successfully tested for the determination of Al(III) in natural water samples and result obtained is comparable to atomic absorption spectrometry method.

Original languageEnglish
Pages (from-to)490-495
Number of pages6
JournalSensors and Actuators, B: Chemical
Volume201
DOIs
Publication statusPublished - 1 Oct 2014

Fingerprint

Aluminum
Polymers
Fluorescence
inclusions
membranes
Membranes
aluminum
fluorescence
polymers
immobilization
reagents
Vinyl Chloride
Atomic absorption spectrometry
sulfonates
Encapsulation
Polyvinyl Chloride
Polyvinyl chlorides
Sodium
chlorides
sodium

Keywords

  • Aliquat 336
  • Aluminium(III) determination
  • NaMSA
  • Optical sensor
  • Polymer inclusion membrane
  • Sodium morin-5-sulphonate

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials
  • Metals and Alloys
  • Surfaces, Coatings and Films
  • Materials Chemistry
  • Instrumentation

Cite this

Highly sensitive fluorescence optode for aluminium(III) based on non-plasticized polymer inclusion membrane. / Suah, Faiz Bukhari Mohd; Ahmad, Musa; Lee, Yook Heng.

In: Sensors and Actuators, B: Chemical, Vol. 201, 01.10.2014, p. 490-495.

Research output: Contribution to journalArticle

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