A sensitive and selective bulk optode for determination of Hg (II) based on hexathiacyclooctadecane and chromoionophore V

Authors: Ali A Ensafi, Masoud Fouladgar

Publication date: 2009/3/2

Journal name: Sensors and Actuators B: Chemical

Volume: 136

Pages: 326-331

Publisher: Elsevier

A sensitive new bulk optical sensor (optode) for mercury (II) is described. This optode is
based on the interaction of hexathiacyclooctadecane with Hg (II) in plasticized polyvinyl
chloride (PVC) membrane incorporating chromoionophore V as lipophilic H+-selective
indicator. The membranes were cast onto glass substrates and used for the determination of
mercury ions in aqueous solutions. The PVC membrane composition plus the other
experimental variables were optimized. With the proposed sensor, mercury (II) can be ...