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Trace metal ion preconcentration for Flame Atomic Absorption by an Immobilized N,N,N′-tri-(2-pyridyl-methyl)ethylene diamine (TriPEN) chelate ion exchanger in a flow injection system

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Summary

Trace Metal Ion P reconcentration for Flame Atomic Absorption by an Immobilized N,N,N′-tri-(2-pyridylmetkyl)ethylene diamine (TriPEN) Chelate Ion Exchanger in a Flow Injection System

Chelating groups of N,N,N′-tri-(2-pyridyl-methyl)ethyIene diamine (TriPEN) were synthesized on the surface of porous glass. A 100μl column of the chelate ion exchanger was incorporated into a flow injection manifold with a flame atomic absorption spectrometer. Metal ions from samples (<1 ml to>80 ml) were retained on the chelate ion exchanger until an injection of acid displaced them into the flame. A peak-shaped absorbance curve was recorded. The use of immobilized TriPEN for preconcentration of metals from dilute solution and for matrix modifications was demonstrated.

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Authors and Affiliations

  1. Department of Analytical Chemistry, University of Lund, Lund, Sweden

    M. Bengtsson, F. Malamas, A. Torstensson, O. Regnell & G. Johansson

Authors
  1. M. Bengtsson
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  2. F. Malamas
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  3. A. Torstensson
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  4. O. Regnell
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  5. G. Johansson
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Bengtsson, M., Malamas, F., Torstensson, A. et al. Trace metal ion preconcentration for Flame Atomic Absorption by an Immobilized N,N,N′-tri-(2-pyridyl-methyl)ethylene diamine (TriPEN) chelate ion exchanger in a flow injection system. Mikrochim Acta 87, 209–221 (1985). https://doi.org/10.1007/BF01197002

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  • DOI: https://doi.org/10.1007/BF01197002

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