Journal article
Continuous flow analysis of iron (III) in seawater using a chalcogenide glass ion-selective electrode
Laboratory Robotics and Automation, Vol.11(5), pp.284-288
1999
Abstract
Continuous flow analysis (CFA) is suitable for rapid and reliable determination of free FeIII in organic-free, UV-oxidized seawater when used in conjunction with an extrapolation method that predicts the steady-state potentials of an FeIII chalcogenide glass ion-selective electrode (ISE) by using initial data associated with a step-wise change in aFe3+. It is shown that the CFA technique yields a Nernstian response of a 30 mV per decade change in aFe3+ in saline citrate buffers in the range of 10-22 to 10-16 M Fe3+. Validation of the CFA technique in organic-free, UV-oxidized seawater has demonstrated that the response of the FeIII ISE is internally consistent with the well-known inorganic speciation equilibria occurring in natural seawater.
Details
- Title
- Continuous flow analysis of iron (III) in seawater using a chalcogenide glass ion-selective electrode
- Authors
- Roland De Marco (Author) - Curtin University of TechnologyB Pejcic (Author) - Curtin University of TechnologyX D Wang (Author) - La Trobe University
- Publication details
- Laboratory Robotics and Automation, Vol.11(5), pp.284-288
- Publisher
- John Wiley & Sons Inc.
- Date published
- 1999
- DOI
- 10.1002/(SICI)1098-2728(1999)11:5<284::AID-LRA7>3.0.CO;2-8
- ISSN
- 0895-7533
- Organisation Unit
- University of the Sunshine Coast, Queensland; Office of the Deputy Vice-Chancellor (Research and Innovation)
- Language
- English
- Record Identifier
- 99448624202621
- Output Type
- Journal article
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- Collaboration types
- Domestic collaboration
- Web Of Science research areas
- Automation & Control Systems
- Chemistry, Analytical
- Robotics