Combining chemical reduction with an electrochemical technique for the simultaneous detection of Cr(VI), Pb(II) and Cd(II)
文献类型：期刊论文
| 作者 | Li J ; Zhang JC ; Wei H ; Wang E |
| 刊名 | analyst
 |
| 出版日期 | 2009 |
| 卷号 | 134期号:2页码:273-277 |
| 关键词 | BISMUTH-FILM ELECTRODES ATOMIC-ABSORPTION-SPECTROMETRY ANODIC-STRIPPING VOLTAMMETRY FLOW-INJECTION ANALYSIS CARBON-PASTE ELECTRODE CHROMIUM CR(III) ELECTROANALYSIS POTENTIALITIES ADSORPTION |
| ISSN号 | 0003-2654 |
| 通讯作者 | wang e |
| 中文摘要 | this work herein reports the approach for the simultaneous determination of heavy metal ions including cadmium (cd(ii)), lead (pb(ii)), and chromium (cr(vi)) using a bismuth film electrode (bfe) by anodic stripping voltammertry (asv). the bfe used was plated in situ. due to the reduction of cr(vi) with h2o2 in the acid medium, on one hand, the cr(iii) was produced and cr(vi) was indirectly detected by monitoring the content of cr(iii) using square-wave asv. on the other hand, pb(ii) was also released from the complex between pb(ii) and cr(vi). furthermore, the coexistence of the cd(ii) was also simultaneously detected with pb(ii) and cr(vi) in this system as a result of the formation of an alloy with bi. the detection limits of this method were 1.39 ppb for cd(ii), 2.47 ppb for pb(ii) and 5.27 ppb for cr(vi) with a preconcentration time of 120 s under optimal conditions (s/n = 3), respectively. furthermore, the sensitivity of this method can be improved by controlling the deposition time or by using a cation-exchange polymer (such as nafion) modified electrode. |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000262849700011 |
| 公开日期 | 2010-05-27 |
| 源URL | [http://202.98.16.49/handle/322003/12207]  |
| 专题 | 长春应用化学研究所_长春应用化学研究所知识产出_期刊论文 |
| 推荐引用方式 GB/T 7714 | Li J,Zhang JC,Wei H,et al. Combining chemical reduction with an electrochemical technique for the simultaneous detection of Cr(VI), Pb(II) and Cd(II)[J]. analyst,2009,134(2):273-277. |
| APA | Li J,Zhang JC,Wei H,&Wang E.(2009).Combining chemical reduction with an electrochemical technique for the simultaneous detection of Cr(VI), Pb(II) and Cd(II).analyst,134(2),273-277. |
| MLA | Li J,et al."Combining chemical reduction with an electrochemical technique for the simultaneous detection of Cr(VI), Pb(II) and Cd(II)".analyst 134.2(2009):273-277. |
入库方式： OAI收割
来源：长春应用化学研究所
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