DEVELOPMENT OF A MERCURY ION-SELECTIVE ELECTRODE BASED ONINCORPORATING CHELEX INTO SOL-GEL MATRIX

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BAHMANZADEH SAFIYEH

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Seminar Paper

Paper Information

Seminar: IRANIAN BIENNIAL ELECTROCHEMISTRY SEMINAR
Year:2012 | Issue:10

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Title

DEVELOPMENT OF A MERCURY ION-SELECTIVE ELECTRODE BASED ONINCORPORATING CHELEX INTO SOL-GEL MATRIX

Author(s)

BAHMANZADEH SAFIYEH

Keywords

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Abstract

THERE ARE MANY REPORT FOR DETERMINATION OF MERCURY ION IN ARTICLES.CHELEX IS A CHELATING ION EXCHANG RESIN THAT CAN BE USED FOR PRECONCENTRATION OF IONS. IN THIS REPORT, NEW ELECTRODE FOR MESURMENT OF MERCURY (II) WERE PREPARED BY INCORPORATING CHELEX INTO SOL-GEL MATRIX. CALIBRATION PLOT WITH NERNSTIAN SLOPE (58.6 ± 0.5 MV/DECADE) FOR HG ION WAS OBSERVED OVER A LINEAR RANGE OF ABOUT FOUR DECADES OF CONCENTRATION (1.0 × 10-6 TO 1.0 × 10-2 M, AT 25OC). THE SOL-GEL ELECTRODE SHOWS DETECTION LIMIT OF 5.4 × 10-7 M. THE RESPONSE OF ELECTRODE FOR HG ION IN PRESENCE OF OTHER CATION HAS BEEN STUDIED AND IT SHOWED HIGH SELECTIVITY FOR MERCURY (II) ION. THE EFFECT OF TEMPERATURE ON THE ELECTRODE RESPONSE SHOWED THAT THE TEMPERATURE HIGHER THAN 60°C DETERIORATES THE ELECTRODE PERFORMANCE. THE PROPOSED ELECTRODE HAS HIGH MECHANICAL AND THERMAL STABILITY.IT HAS A SHORT RESPONSE TIME (10 S) AND CAN BE USED FOR MORE THAN 3 MONTHS WITHOUT ANY CONSIDERABLE DIVERGENCE IN THE POTENTIALS. THE RESULTS OF APPLICATION SHOW THAT THE ELECTRODE CAN BE USED SUCCESSFULLY IN DETERMINATION OF HG IONS IN VARIOUS WATER SAMPLES.

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APA: Copy

BAHMANZADEH, SAFIYEH. (2012). DEVELOPMENT OF A MERCURY ION-SELECTIVE ELECTRODE BASED ONINCORPORATING CHELEX INTO SOL-GEL MATRIX. IRANIAN BIENNIAL ELECTROCHEMISTRY SEMINAR. SID. https://sid.ir/paper/909983/en

Vancouver: Copy

BAHMANZADEH SAFIYEH. DEVELOPMENT OF A MERCURY ION-SELECTIVE ELECTRODE BASED ONINCORPORATING CHELEX INTO SOL-GEL MATRIX. 2012. Available from: https://sid.ir/paper/909983/en

IEEE: Copy

SAFIYEH BAHMANZADEH, “DEVELOPMENT OF A MERCURY ION-SELECTIVE ELECTRODE BASED ONINCORPORATING CHELEX INTO SOL-GEL MATRIX,” presented at the IRANIAN BIENNIAL ELECTROCHEMISTRY SEMINAR. 2012, [Online]. Available: https://sid.ir/paper/909983/en

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