Microchimica Acta

, Volume 107, Issue 1–2, pp 65–72 | Cite as

2,6-Bis[(o-hydroxy)phenyliminomethyl]-1-hydroxybenzene as a reagent for the selective spectrofluorimetric determination of aluminium

  • Fermin Capitàn
  • Ramiro Avidad
  • Alberto Navalón
  • Luis F. Capitán-Vallvey
Original Papers

Abstract

A spectrofluorimetric method for the determination of aluminium at ng/ml level has been developed. The method is based on the formation of a fluorescent 1∶1 complex between Al(III) and 2,6-bis[(o-hydroxy)phenyliminomethyl]-1-hydroxybenzene at an apparent pH of 5.0 in an aqueous-ethanol medium (70% v/v ethanol). The influence of reaction variables is discussed. The range of concentration of the method is 1.0–10.0 ng/ml aluminium, the relative standard deviation 1.5% and the limit of detection 0.1 ng/ml. The advantages of the proposed method include high sensitivity and selectivity. The method has been applied to the determination of aluminium in natural waters.

Key words

spectrofluorimetry aluminium determination natural waters 2,6-bis[(o-hydroxy)phenyliminomethyl]-1-hydroxybenzene 

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Copyright information

© Springer-Verlag 1992

Authors and Affiliations

  • Fermin Capitàn
    • 1
  • Ramiro Avidad
    • 1
  • Alberto Navalón
    • 1
  • Luis F. Capitán-Vallvey
    • 1
  1. 1.Department of Analytical ChemistryUniversity of GranadaGranadaSpain

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