DETERMINATION OF NITRATE BY ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY AND POTENTIOMETRIC TECHNIQUES

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MAZLOUM ARDAKANI MOHAMMAD; Mozafari Sakineh; Vafazadeh Rasool

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Seminar Paper

Paper Information

Seminar: ANNUAL ELECTROCHEMISTRY SEMINAR OF IRAN
Year:2015 | Issue:11

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Title

DETERMINATION OF NITRATE BY ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY AND POTENTIOMETRIC TECHNIQUES

Author(s)

MAZLOUM ARDAKANI MOHAMMAD | Mozafari Sakineh | Vafazadeh Rasool | Issue Writer Certificate

Keywords

ION SELECTIVE ELECTRODE

POTENTIOMETRIC

NITRATE

MEMBRANE

PLASTICIZER

ADDITIVE

Abstract

IONOPHORE DERIVATIVE ANION RECEPTOR HAS BEEN TESTED AS ELECTRO ACTIVE MATERIAL FOR THE DEVELOPMENT OF ANION SELECTIVE ELECTRODES. THE RECEPTOR WAS INCORPORATED IN PLASTICIZED POLY (VINYL CHLORIDE) MEMBRANES OF DIFFERENT COMPOSITIONS. THE MEMBRANE THAT PROVIDED THE BEST RESPONSE AND SELECTIVITY TOWARDS NITRATE WAS SELECTED TO DEVELOP A NEW NITRATE-SELECTIVE ELECTRODE. IN THIS WORK A NEW STRATEGY FOR OPTIMIZING MEMBRANE COMPONENTS BY ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY (EIS) IS USED. THE PERFORMANCE OF THIS ELECTRODE WAS INVESTIGATED USING POTENTIOMETRIC AND EIS TECHNIQUES. THE ELECTRODE EXHIBITED A NERNSTIAN RESPONSE OVER THE NITRATE CONCENTRATION RANGE OF 1.0×10-7 TO 1.0×10-1 M WITH A SLOPE OF 59.5 MV/DECADE BY POTENTIOMETRIC TECHNIQUE. IT SHOWED GOOD SELECTIVITY TO NITRATE RELATIVE TO MANY COMMON ANIONS. WHILE USING THE EIS TECHNIQUE, THE LINEAR CONCENTRATION RANGE WAS 1.0×10-8 TO 1.0×10-1 M AND THE PH RANGE INCREASED TO 4.0-10.0. THE PROPOSED ELECTRODE WAS APPLIED TO THE DETERMINATION OF NITRATE IN WASTEWATERS.

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APA: Copy

MAZLOUM ARDAKANI, MOHAMMAD, Mozafari, Sakineh, & Vafazadeh, Rasool. (2015). DETERMINATION OF NITRATE BY ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY AND POTENTIOMETRIC TECHNIQUES. ANNUAL ELECTROCHEMISTRY SEMINAR OF IRAN. SID. https://sid.ir/paper/920080/en

Vancouver: Copy

MAZLOUM ARDAKANI MOHAMMAD, Mozafari Sakineh, Vafazadeh Rasool. DETERMINATION OF NITRATE BY ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY AND POTENTIOMETRIC TECHNIQUES. 2015. Available from: https://sid.ir/paper/920080/en

IEEE: Copy

MOHAMMAD MAZLOUM ARDAKANI, Sakineh Mozafari, and Rasool Vafazadeh, “DETERMINATION OF NITRATE BY ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY AND POTENTIOMETRIC TECHNIQUES,” presented at the ANNUAL ELECTROCHEMISTRY SEMINAR OF IRAN. 2015, [Online]. Available: https://sid.ir/paper/920080/en

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