title: Simultaneous determination of cadmium and zinc using a fiber optic device and fluorescence spectrometry.
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 mug l(-1) for Cd and 0.6 mug l(-1) for Zn.
authors.affiliation: Department of Analytical Chemistry, Faculty of Pharmacy, Gazi University, 06330 Ankara, Turkey.
authors.forename: N
authors.initials: N
authors.lastname: Ertaş
authors.forename: E U
authors.initials: EU
authors.lastname: Akkaya
authors.forename: O
authors.initials: O
authors.lastname: Yavuz Ataman