TRACE DETERMINATION OF CADMIUM USING AN EFFICIENT FLOW INJECTION ANODIC STRIPPING VOLTAMMETRIC TECHNIQUE

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MOTEVALLI KOUROSH; YAGHOUBI ZAHRA

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Seminar Paper

Paper Information

Seminar: IRANIAN BIENNIAL ELECTROCHEMISTRY SEMINAR
Year:2014 | Issue:11

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Title

TRACE DETERMINATION OF CADMIUM USING AN EFFICIENT FLOW INJECTION ANODIC STRIPPING VOLTAMMETRIC TECHNIQUE

Author(s)

MOTEVALLI KOUROSH | YAGHOUBI ZAHRA | Issue Writer Certificate

Keywords

FLOW INJECTION ANODIC STRIPPING VOLTAMMETRIC TECHNIQUE

MODIFIED ELECTRODE

CADMIUM

TRACE DETERMINATION

Abstract

IN THIS WORK, A PRACTICAL FLOW INJECTION ANODIC STRIPPING VOLTAMMETRIC TECHNIQUE WAS APPLIED FOR TRACE DETERMINATION OF CADMIUM. A MODIFIED ELECTRODE WAS FORMED BY COATING THE BISMUTH FILM ON GLASSY CARBON AND APPLIED AS A WORKING ELECTRODE. ACETATE BUFFER WAS USED FOR ADJUSTING THE PH OF THE SOLUTIONS IN ALL EXPERIMENTS. AFTERWARDS, THE DEPOSITION STEP OF CADMIUM WAS CARRIED OUT BY USING A CONTESTANT POTENTIAL OF -1.40 V VERSUS AG/AGCL. AFTER THIS STEP, SQUARE WAVE WAVEFORM METHOD WAS APPLIED BY SCANNING THE POTENTIAL FROM -1.40 TO 0.45 V AND THE VOLTAMMOGRAM WAS RECORDED AS THE ANALYTICAL RESPONSE. IN THIS WORKS, THE OPTIMIZED PARAMETERS INVOLVED A LINEAR DYNAMIC RANGES OF 5 - 65 MG L-1, A RSD OF 3.4 AND A SAMPLING FREQUENCY OF 13 H-1. FINALLY, THE PRESENT WORK WAS APPLIED FOR TRACE DETERMINATION OF CADMIUM IN GROUND AND SURFACE WATER SAMPLES. FIGURE1 STATES LINEAR SCAN OF ASV OF CADMIUM WITH DIFFERENT CONCENTRATIONS [1, 2].

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APA: Copy

MOTEVALLI, KOUROSH, & YAGHOUBI, ZAHRA. (2014). TRACE DETERMINATION OF CADMIUM USING AN EFFICIENT FLOW INJECTION ANODIC STRIPPING VOLTAMMETRIC TECHNIQUE. IRANIAN BIENNIAL ELECTROCHEMISTRY SEMINAR. SID. https://sid.ir/paper/911613/en

Vancouver: Copy

MOTEVALLI KOUROSH, YAGHOUBI ZAHRA. TRACE DETERMINATION OF CADMIUM USING AN EFFICIENT FLOW INJECTION ANODIC STRIPPING VOLTAMMETRIC TECHNIQUE. 2014. Available from: https://sid.ir/paper/911613/en

IEEE: Copy

KOUROSH MOTEVALLI, and ZAHRA YAGHOUBI, “TRACE DETERMINATION OF CADMIUM USING AN EFFICIENT FLOW INJECTION ANODIC STRIPPING VOLTAMMETRIC TECHNIQUE,” presented at the IRANIAN BIENNIAL ELECTROCHEMISTRY SEMINAR. 2014, [Online]. Available: https://sid.ir/paper/911613/en

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