| 食品中铜、铅、锡的微分电位溶出法同时测定 |
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| 引用本文： | 袁智能,聂洪勇,黎拒难,刘仁江.食品中铜、铅、锡的微分电位溶出法同时测定[J].分析测试学报,2000,19(2):39-41. |
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| 作者姓名： | 袁智能 聂洪勇 黎拒难 刘仁江 |
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| 作者单位： | 1. 湖南省商检局检测中心湖南长沙 410007
2. 湘潭大学化学化工学院湖南湘潭 411105 |
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| 基金项目： | 国家商检局科学研究和技术开发重点项目(K9220);湖南省教委科学基金资助项目(988007) |
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| 摘 要： | 用微分电位溶出分析法，以pH2.4的0.06mol·L
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| 关 键 词： | 微分电位溶出法 铜 铅 锡 同时测定 食品分析 |
| 文章编号： | 1004－4957(2000)02－0039－03 |
| 修稿时间： | 1999年6月10日 |
Simultaneous Determination of Copper, Lead and Tin in Food by Differential Potentiometric Stripping Analysis |
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| YUAN Zhi len,NIE Hong rong,LI Ju nan,LIU Ren jiang.Simultaneous Determination of Copper, Lead and Tin in Food by Differential Potentiometric Stripping Analysis[J].Journal of Instrumental Analysis,2000,19(2):39-41. |
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| Authors: | YUAN Zhi len NIE Hong rong LI Ju nan LIU Ren jiang |
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| Abstract: | In the buffer solution(pH 2.4)containing 0.06 mol·L－1 oxalic acid, 4×10－4 mol·L－1 L _ cysteine and 4.4×10－5 mol·L－1 CTMAB, the simultaneous determination of copper, lead and tin in canned food is reported by differential potentiometric stripping analysis. The peak potentials are at－0.26,－0.46 and －0.60 V(vs SCE)for Cu2＋, Pb2＋ and Sn4＋, respectively. The method has been used to determine these elements in some canned foods with satisfactory results. |
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| Keywords: | Differetial potentiometric stripping analysis Simultaneous determination Copper Lead Tin |
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