Simultaneous determination of iron (II) and iron (III) via flow injection analysis (FIA) - optimization of FIA manifold / Zainiharyati Mohd Zain, Rohana Atan and Mohd Noor Mokhtar

Mohd Zain, Zainiharyati and Atan, Rohana and Mokhtar, Mohd Noor (2006) Simultaneous determination of iron (II) and iron (III) via flow injection analysis (FIA) - optimization of FIA manifold / Zainiharyati Mohd Zain, Rohana Atan and Mohd Noor Mokhtar. [Research Reports] (Unpublished)

Abstract

A reversed flow injection analysis (rFIA) method has been developed for the sequential determination of iron species based on the multi wavelength detection of the l,10-phenantroline-Fe(II) complex (X,max = 512 nm) and 2,2'-azino-bis(ethylbenzthiazoline-6-sulfonic acid)(ABTS)-Fe(III) complex (Xmax = 418 nm). Optimum FIA conditions including concentration of ligand reagents, length of reaction coil, flow rate and reagent volume were established. The proposed method was successfully applied for the determination of iron (II) and iron (III) in standard mixtures and iron tablets. The results for total iron were found to be in good agreement with those obtained by manual atomic absorption spectrometric method.

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Item Type: Research Reports
Creators:
Creators
Email / ID Num.
Mohd Zain, Zainiharyati
UNSPECIFIED
Atan, Rohana
UNSPECIFIED
Mokhtar, Mohd Noor
UNSPECIFIED
Subjects: T Technology > TK Electrical engineering. Electronics. Nuclear engineering > Telecommunication
T Technology > TK Electrical engineering. Electronics. Nuclear engineering > Nuclear engineering. Atomic power
Divisions: Universiti Teknologi MARA, Shah Alam > Research Management Centre (RMC) > Institute of Research, Development and Commercialization (IRDC)
Keywords: Reversed flow injection analysis (rFIA), Iron, Ligand reagents
Date: 2006
URI: https://ir.uitm.edu.my/id/eprint/48888
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