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Journal of Automatic Chemistry
Volume 14 (1992), Issue 5, Pages 181-183

Flow-injection analysis for on-line monitoring of nutrients (ammonia and nitrite) in aquaculture

Department of Analytical Chemistry, Faculty of Sciences, University of Córdoba, Córdoba E 140004, Spain

Copyright © 1992 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This article describes photometric flow injection (FI) methods for the determination of ammonia and nitrite in aquaculture. The methods are based on the use of normal and reversed FI approaches and show the potential of this technique for monitoring the input and output streams of small tanks at young fish-breeding farms. The methods meet the requirements of fish hatcheries, particularly in terms of the high sampling rate allowable (40/h).