A Matrix Modification Experiment for Use in Electrothermal Atomic Absorption Spectrophotometry
Michael N. Quigley
Department of Chemistry, Richard King Mellon Hall of Science, Duquesne University, Pittsburgh, PA 15282
Frederick Vernon
Department of Chemistry and Applied Chemistry, University of Salford, Salford M5 4WT, U.K.
The advantages of matrix modification are explained in relation to the direct determination of trace metal ions in natural or artificial seawater. An experimental procedure is described leading to the determination of Mn2+ in seawater using matrix modification to eliminate interference effects from volatilized NaCl. The procedure is adaptable to the determination of other trace metal ions in seawater.
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Citation
Quigley, Michael N.; Vernon, Frederick. J. Chem. Educ.1996 73 980.
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