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| Simultaneous determination of trace Cd and Pb in zinc electrolyte by anodic stripping voltammetry |
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Received:October 19, 2011
Revised:April 20, 2012
Accepted:October 21, 2011
Published Online:June 13, 2012
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| DOI： |
| KeyWord:differential pulse polarography anodic stripping voltammetry；zinc plant electrolyte；Cd； Pb |
| Author | Institution |
| wangyanfeng |
kunming university of science and technology |
| zhangxu |
kunming university of science and technology |
| lianglongwei |
kunming university of science and technology |
| lishaoyuan |
kunming university of science and technology |
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| Abstract: |
| The trace cadmium and lead in zinc electrolyte were determined simultaneously by Differential Pulse Polarography and by anodic stripping voltammetry. The sensitive stripping peaks of cadmium and lead were found at -0.6V and -0.4V, respectively. The standard addition method was selected to analyze trace cadmium and lead in zinc electrolyte. Under the optimum experimental conditions, the relative standard deviations were 3.11% and 3.12%, the recovery rate were 96.0％～100.4％ and 96.4％～104.0％, respectively. The results were satisfactory. |
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