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Preparation and study of Chloride - Liquid Selective Electrode based on quaternary ammonium salts in PVC matrix | ||
| Journal of Al-Nahrain University - Science | ||
| Article 1, Volume 8, Issue 1, 2005, Pages 16-19 | ||
| Authors | ||
| Salem A. H; Yasser A. Al-Janabi; Harith N. Al-Rawi; Nabil S. Nassory; Salma S. Al-Anni | ||
| Abstract | ||
| Chloride selective electrodcs based on PVC matrix membrane consist of various alkyl quaternary ammonium salts such as tetra heptylammonium chloride (THACI), and tetraoctylammonium chloride (TOACI) as a sensors with various mediators were prepared and studied. The study includes the electrodes parameters determination (slope, linear response range, detection limit, pH effect , life time and selectivity). Chloride electrode based on (TOACI) as sensor with di-n-octyl phthalate (DOPH) as mediator gives excellent response with a slop equal 60,1 mV.'decade which is the near to the Nernstian slope. Concentration was ranged from 10-2 M to 10-4 M with detection limit around 10-5 M. This electrode was used for chloride determination ion in samples using different potentiometric methods. | ||
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