Development of an optical fibre Al(III) sensor based on immobilised chrome azurol S

Musa Ahmad, Ramaier Narayanaswamy

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Chrome azurol S immobilised on XAD-2 has been used in this study as a reagent phase for the development of an optical fibre Al(III) sensor. Using a kinetic approach, this sensor was able to give a linear response in the Al(III) concentration range of 1.3 × 10-5-2.0 × 10-4 M with a limit of detection of 1.0 × 10-4 M. The optimum responses were obtained at pH 6.0 and when the solution was stirred. The sensor response was found to have a repeatability and reproducibility of 1.6% and 5.8%, respectively. The results obtained for Al(III) determination in aqueous sample were in good agreement with those obtained using graphite furnace-atomic absorption spectrometry.

Original languageEnglish
Pages (from-to)1337-1344
Number of pages8
JournalTalanta
Volume42
Issue number9
DOIs
Publication statusPublished - 1995

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Optical Fibers
Graphite
Limit of Detection
Optical fibers
Spectrum Analysis
Sensors
Atomic absorption spectrometry
Furnaces
Kinetics
chrome azurol S

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Development of an optical fibre Al(III) sensor based on immobilised chrome azurol S. / Ahmad, Musa; Narayanaswamy, Ramaier.

In: Talanta, Vol. 42, No. 9, 1995, p. 1337-1344.

Research output: Contribution to journalArticle

Ahmad, Musa ; Narayanaswamy, Ramaier. / Development of an optical fibre Al(III) sensor based on immobilised chrome azurol S. In: Talanta. 1995 ; Vol. 42, No. 9. pp. 1337-1344.
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