Simultaneous determination of cadmium and zinc using a fiber optic device and fluorescence spectrometry


Ertas N., Akkaya E., Ataman O.

TALANTA, vol.51, no.4, pp.693-699, 2000 (Journal Indexed in SCI) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 51 Issue: 4
  • Publication Date: 2000
  • Doi Number: 10.1016/s0039-9140(99)00327-6
  • Title of Journal : TALANTA
  • Page Numbers: pp.693-699

Abstract

A reservoir type of optode is described for simultaneous and remote determination of Cd and Zn using [9-(1',4',7', 10',13'-pentaazacyclopentadecyl)methylanthracene] as the fluorophore. Simultaneous analysis was achieved by the significant perturbation in the fluorescence spectrum of the Cd-ligand complex while the Zn complex only results in enhancement in the fluorescence intensity as compared to ligand alone. The ion permeability of several membranes were examined; Nafion and cellophane were used for the construction of the optode. Using the optode constructed with cellophane, for 20 min immersion time, the 3-s detection limits were found to be 4.5 mu g l(-1) for Cd and 0.6 mu g l(-1) for Zn. (C) 2000 Elsevier Science B.V. All rights reserved.