Abstract

This article describes the use of flow-injection techniques combined with molecular spectroscopic detection (spectrophotometry, fluorescence and chemiluminescence) for the rapid determination of chemical parameters in environmental matrices. The emphasis is on field deployment in order to obtain high temporal and spatial resolution data without the need for discrete sample collection and storage. Specific examples considered are the determination of phosphorus in river water and dissolved iron in open ocean water. The environmental drivers for these determinations are presented and the analytical capabilities of flow-injection instrumentation for remote deployment are discussed.

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