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Design of an Automated Flow Injection-Chemiluminescence Instrument Incorporating a Miniature Photomultiplier Tube for Monitoring Picomolar Concentrations of Iron in Seawater
Version 2 2024-09-17, 02:05Version 2 2024-09-17, 02:05
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journal contribution
posted on 2024-09-17, 02:05 authored by Andrew BowieAndrew Bowie, EP Achterberg, S Ussher, PJ WorsfoldA flow-injection (FI)-based instrument under Lab VIEW control for monitoring iron in marine waters is described. The instrument incorporates a miniature, low-power photomultiplier tube (PMT), and a number of microelectric and solenoid actuated valves and peristaltic pumps. The software allows full control of all flow injection components and processing of the data from the PMT. The optimised system is capable of 20 injections per hour, including preconcentration and wash steps. The detection limit (3 sd of the blank) is 21 pM at sea and the linear range is 21-2000 pM with a 60-second sample load time. Typical precision between replicate FI peaks is 5.9 ± 3.2% (n = 4) over the linear range. © 2005 Hindawi Publishing Corporation.
History
Publication title
Journal of Automated Methods and Management in ChemistryVolume
2005Issue
2Pagination
37-43ISSN
1463-9246Department/School
ChemistryPublisher
Hindawi Publishing CorpPublication status
- Published
Place of publication
New YorkSocio-economic Objectives
280105 Expanding knowledge in the chemical sciencesUsage metrics
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