Optical fibre chemical sensor for trace vanadium(V) determination based on newly synthesized palm based fatty hydroxamic acid immobilized in polyvinyl chloride membrane

Azizul Isha, Nor Azah Yusof, Musa Ahmad, Dedy Suhendra, Wan Md Zin Wan Yunus, Zulkarnain Zainal

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Fatty hydroxamic acid (FHA) immobilized in polyvinyl chloride (PVC) has been studied as a sensor element of an optical fibre chemical sensor for V(V). By using this instrument, V(V) in solution has been determined in the log concentration range of 0-2.5 (i.e. 1.0-300 mg/L). The detection limit was 1.0 mg/L. The relative standard deviation (R.S.D.) of the method for the reproducibility study at V(V) concentration of 200 mg/L and 300 mg/L were calculated to be 2.9% and 2.0%, respectively. Interference from foreign ions was also studied at 1:1 mole ratio of V(V):foreign ions. It was found that, Fe(III) ion interfered most in the determination of vanadium(V). Excellent agreement with ICP-AES method was achieved when the proposed method was applied towards determination of V(V).

Original languageEnglish
Pages (from-to)1398-1402
Number of pages5
JournalSpectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
Volume67
Issue number5
DOIs
Publication statusPublished - Aug 2007

Fingerprint

Fiber optic chemical sensors
Hydroxamic Acids
polyvinyl chloride
Vanadium
fatty acids
Polyvinyl Chloride
Fatty acids
Polyvinyl chlorides
vanadium
optical fibers
Ions
membranes
Membranes
sensors
ions
standard deviation
interference
Sensors

Keywords

  • Fatty hydroxamic acid
  • Optical fibre
  • PVC membrane
  • V(V) sensor

ASJC Scopus subject areas

  • Spectroscopy

Cite this

Optical fibre chemical sensor for trace vanadium(V) determination based on newly synthesized palm based fatty hydroxamic acid immobilized in polyvinyl chloride membrane. / Isha, Azizul; Yusof, Nor Azah; Ahmad, Musa; Suhendra, Dedy; Yunus, Wan Md Zin Wan; Zainal, Zulkarnain.

In: Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, Vol. 67, No. 5, 08.2007, p. 1398-1402.

Research output: Contribution to journalArticle

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AU - Yusof, Nor Azah

AU - Ahmad, Musa

AU - Suhendra, Dedy

AU - Yunus, Wan Md Zin Wan

AU - Zainal, Zulkarnain

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AB - Fatty hydroxamic acid (FHA) immobilized in polyvinyl chloride (PVC) has been studied as a sensor element of an optical fibre chemical sensor for V(V). By using this instrument, V(V) in solution has been determined in the log concentration range of 0-2.5 (i.e. 1.0-300 mg/L). The detection limit was 1.0 mg/L. The relative standard deviation (R.S.D.) of the method for the reproducibility study at V(V) concentration of 200 mg/L and 300 mg/L were calculated to be 2.9% and 2.0%, respectively. Interference from foreign ions was also studied at 1:1 mole ratio of V(V):foreign ions. It was found that, Fe(III) ion interfered most in the determination of vanadium(V). Excellent agreement with ICP-AES method was achieved when the proposed method was applied towards determination of V(V).

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