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| Type |
Poster Presentation |
| Area |
Electrochemistry |
| Room No. |
Grand Ballroom |
| Time |
10월 19일 (금요일) 11:00~12:30 |
| Code |
ELEC.P-489 |
| Subject |
Development of chromium (VI) sensor using gold-conducting polymer composite electrode |
| Authors |
Jae-hong Shin, Min Ouk Park1, Jang-Hee Yoon2, Yoon Bo Shim1,*
Department of chemistry, Pusan National University, Korea
1Department of Chemistry, Pusan National University, Korea
2Busan Center, Korea Basic Science Institute, Korea
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| Abstract |
Sphere Au-poly2,3-diaminonaphtalene(S-Au-pDAN) based composite sensor has been developed for the electrochemical detection of amount of chromium(VI) (Cr(VI)). The modified surface was prepared using a potential step method, where the nanostructured interface showed well-defined voltammetric peak for the reduction of Cr(VI) at ~0.4 V. Proposed sensor was characterized employing electrochemical and surface analysis methods. Experimental variables affecting the analytical performance were optimized. Interference effects of other metal ions having similar redox potentials were also investigated. The dynamic range of square wave voltammetry (SWV) for the target ions were between 10.0 ppb and 10.0 ppm with the detection limits of 1.45 ± 0.15 ppb for the SWV (n = 3). The reliability of the method for point-of-analysis was evaluated by analyzing a standard reference material and various water samples |
| E-mail |
sjsjsj7629@pusan.ac.kr |
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122nd General Meeting of the KCS