Paper Information

Journal:   IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)   FALL 2010 , Volume 29 , Number 3; Page(s) 123 To 132.
 
Paper: 

HIGHLY SELECTIVE PERCHLORATE MEMBRANE ELECTRODE BASED ON SYNTHESIZED SCHIFF BASE COMPLEX

 
 
Author(s):  MAZLOUM ARDAKANI MOHAMMAD*, MAZIDI ROUYA, MASHHADIZADEH MOHAMMAD HOSSEIN, NAEIMI HOSSEIN, RABIEI KOBRA
 
* DEPARTMENT OF CHEMISTRY, FACULTY OF SCIENCE, YAZD UNIVERSITY, YAZD, I.R. IRAN
 
Abstract: 
In this work we introduce a practical use of synthesized Schiff base metal complex in sensing application. A new perchlorate-selective electrode based on the complex N, N' -4-nitrophenylmethanebis- ( salicylaldiminato) copper (II) [CuL] as the membrane carrier was developed.
The electrode exhibits a good Nernstian slope of -55.0± 1.0 mV/decade and a linear range of 7.0 ×10 -7 - 1.0 ×10-1M for perchlorate. The limit of detection is 3.0 ×10-7 M. It has a fast response time < 15s and can be used for more than three months. The selective coefficients of Perchlorate-selective electrode were determined by the Fixed Interference Method (FIM) and Fixed Primary ion Method (FPM), and could be used in the pH range 4.0-9.0. It was employed as an indicator electrode for direct determination of perchlorate in real samples.
 
Keyword(s): SCHIFF BASE, PERCHLORATE-SELECTIVE ELECTRODE, POTENTIOMETRY
 
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