Design of an efficient uranyl ion optical sensor based on 1'-2,2'-(1,2-phenylene)bis(ethene-2,1-diyl)dinaphthalen-2-ol

Meherorang Ghaedi; Javad Tashkhourian; Morteza Montazerozohori; Arezoo Amiri Pebdani; Saeid Khodadoust

doi:10.1016/j.msec.2012.05.006

Design of an efficient uranyl ion optical sensor based on 1'-2,2'-(1,2-phenylene)bis(ethene-2,1-diyl)dinaphthalen-2-ol

Mater Sci Eng C Mater Biol Appl. 2012 Oct 1;32(7):1888-1892. doi: 10.1016/j.msec.2012.05.006. Epub 2012 May 11.

Authors

Meherorang Ghaedi¹, Javad Tashkhourian², Morteza Montazerozohori³, Arezoo Amiri Pebdani³, Saeid Khodadoust³

Affiliations

¹ Chemistry Department, Yasouj University, 75918-74831 Yasouj, Iran. Electronic address: m_ghaedi@mail.yu.ac.ir.
² Department of Chemistry, College of Science, Shiraz University, 71454 Shiraz, Iran.
³ Chemistry Department, Yasouj University, 75918-74831 Yasouj, Iran.

PMID: 34062671
DOI: 10.1016/j.msec.2012.05.006

Abstract

A new optical uranyl (IV) selective sensor by incorporation of 1,1'-2,2'-(1,2-phenylene)bis(ethene-2,1-diyl)dinaphthalen-2-ol (PBED), dibutyl phthalate (DBP) and sodium tetraphenylborate (Na-TPB) in the plasticized poly vinyl chloride membrane matrices has been constructed. In the proposed optode, PBED functions as both ionophore and chromoionophore while DBP has synergistic effect on the complexation of uranyl ion (UO₂²⁺) by PBED. Following the optimization of influences of variables, the proposed sensor due to its high stability, reproducibility and relatively long lifetime has good selectivity and sensitivity for uranyl ion over a large number of alkali, alkaline earth, transition, and heavy metal ions. The response of the proposed optode is linear over the concentration range of 3.99×10^-6 up to 8.06×10^-5molL^-1 of UO₂²⁺ within a detection limit of 9.99×10^-7molL^-1 and response time less than 10min. The proposed optical sensor was applied successfully for the determination and evaluation of UO₂²⁺ ion content in water samples.

Keywords: 1,1′-2,2′-(1,2-phenylene)bis(ethene-2,1-diyl)dinaphthalen-2-ol; Membrane optode; PVC membrane; Uranyl ion.