| 阳极溶出伏安法测定饮用水中镉、铅、铜、砷 |
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| 引用本文： | 段玉林,张少梅,温 韬,刘珈伶.阳极溶出伏安法测定饮用水中镉、铅、铜、砷[J].食品安全质量检测技术,2020,11(12):4110-4114. |
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| 作者姓名： | 段玉林 张少梅 温 韬 刘珈伶 |
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| 作者单位： | 广西壮族自治区食品药品审评查验中心,广西-东盟食品检验检测中心 |
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| 基金项目： | 广西地方标准项目（2018-0329） |
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| 摘 要： | 目的建立阳极溶出伏安法快速测定饮用水中镉、铅、铜、砷含量的检测方法。方法采用微波消解处理水样,以玻碳电极为工作电极,Ag/AgCl电极为参比电极,铂电极为对电极测定其溶出电流,采用外标法定量。结果在浓度为0.1～10μg/L范围内, Cd、Pb、Cu、As线性关系良好,方法检出限为0.00004～0.001 mg/L,加标回收率在98.10%～100.35%间。实际样品测定精密度小于2%。结论该方法稳定、快速、灵敏度高、准确度好,是一种高效的检测痕量重金属离子的方法。
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| 关 键 词： | 阳极溶出伏安法，饮用水，镉，铅，铜，砷 |
| 收稿时间： | 2020/3/23 0:00:00 |
| 修稿时间： | 2020/6/10 0:00:00 |
Determination of cadmium, lead, copper and arsenic in drinking water by anodic stripping voltammetry |
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| DUAN Yu-Lin,ZHANG Shao-Mei,WEN Tao,LIU Jia-Ling.Determination of cadmium, lead, copper and arsenic in drinking water by anodic stripping voltammetry[J].Food Safety and Quality Detection Technology,2020,11(12):4110-4114. |
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| Authors: | DUAN Yu-Lin ZHANG Shao-Mei WEN Tao LIU Jia-Ling |
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| Affiliation: | Guangxi Zhuang Autonomous Region Food and Drug Review And Inspection Center,Guangxi-ASEAN Food Inspection Center |
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| Abstract: | A method was applied to the analysis of the concentration of 4 trace elements which were Cd, Pb, Cu and As in drinking water by anodic stripping voltammetry. The samples were treated by microwave digestion. |
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| Keywords: | anodic stripping voltammetry drinking water Cd Pb Cu As |
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