Accurate zirconium detection at visible wavelength using artificial neural network

Chern Loh Han, Muk Ng Sing, Musa Ahmad, Mohd Nasir Taib

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

A quantitative analysis has been carried out to determine the concentration of Zr4+ ion in aqueous solution by using alizarin red S (ARS) as reagent to form ARS-Zr complex. ARS-Zr complex gives a maximum absorption peak at wavelength of 520 nm with pH 2.5. The repeatability study at two different Zr4+ ion concentrations of 10 mg/l and 200 mg/l was found to give RSD values of 1.16% and 0.55%, respectively. The study of interfering ions was carried out with K+, Na+, Ca2+, Pb 2+, Al3+ and Fe3+ ions with Zr4+ ion: interfering ions at mole ratio of 1:1, 1:10 and 1:100. The study showed a significant interfering effect at the ratio of 1:100 for all the ions except K+ and Na+ ions. Characterization of ARS-Zr complex gives a dynamic Zr4+ concentration range of 5-35 mg/l. However, the use of artificial neural network (ANN) was able to extend the dynamic concentration range of Zr4+ to a larger range of 5-200 mg/l with optimized ANN parameters of 14 hidden neurons, 20 epochs, and training rate of 0.001. The sum square error (SSE) was found to have a value of 0.33 with an average error of 0.38.

Original languageEnglish
Pages (from-to)1305-1316
Number of pages12
JournalAnalytical Letters
Volume38
Issue number8
DOIs
Publication statusPublished - 2005

Fingerprint

Zirconium
Alizarin
Ions
Neural networks
Wavelength
Neurons
Alizarin Red S
Chemical analysis

Keywords

  • Alizarin red S (ARS)
  • Artificial neuron network (ANN)
  • Complex
  • Metal ion
  • Zirconium

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry, Genetics and Molecular Biology(all)
  • Biochemistry

Cite this

Accurate zirconium detection at visible wavelength using artificial neural network. / Han, Chern Loh; Sing, Muk Ng; Ahmad, Musa; Taib, Mohd Nasir.

In: Analytical Letters, Vol. 38, No. 8, 2005, p. 1305-1316.

Research output: Contribution to journalArticle

Han, Chern Loh ; Sing, Muk Ng ; Ahmad, Musa ; Taib, Mohd Nasir. / Accurate zirconium detection at visible wavelength using artificial neural network. In: Analytical Letters. 2005 ; Vol. 38, No. 8. pp. 1305-1316.
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