| 污染食品中氰化物的快速检测方法 |
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| 引用本文： | 陈超,王红勇,高志贤. 污染食品中氰化物的快速检测方法[J]. 中国卫生检验杂志, 2010, 0(1) |
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| 作者姓名： | 陈超 王红勇 高志贤 |
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| 作者单位： | 总政治部直属工作部卫生局防疫所;军事医学科学院卫生学环境医学研究所; |
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| 基金项目： | “863”计划课题(2007AA06Z419); 天津市科技计划项目(092CKFSH02700) |
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| 摘 要： | 目的:检测试剂和手持式光电比色仪联用的方法,实现对污染食品中氰化物的现场快速定量检测。方法:通过氰化物在碱性条件下,CN-可催化茚三酮自身氧化还原反应,迅速生成红棕色产物(485 nm),其呈色深浅与氰化物含量成一定相关性,于手持式光电比色仪实现定量测定。结果:氰化物浓度在0.0~0.5 mg/L范围内线性关系良好(r=0.9957);方法的检出限为0.05 mg/kg、加标回收率为84%~106%。并与国家标准方法检测结果一致。结论:试剂-光电比色仪方法用于氰化物的现场定量检测具有简便、快速、携带方便等特点,值得推广应用。
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| 关 键 词： | 食品 氰化物 快速 测定方法 |
A rapid photoelectric method for on-spot determination of cyanide in contamination food |
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| CHEN Chao,WANG Hong-yong,GAO Zhi-xian. A rapid photoelectric method for on-spot determination of cyanide in contamination food[J]. Chinses Journal of Health Laboratory Technology, 2010, 0(1) |
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| Authors: | CHEN Chao WANG Hong-yong GAO Zhi-xian |
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| Affiliation: | CHEN Chao1,WANG Hong-yong2,GAO Zhi-xian2* (1.Health , Epidemic Prevention Station,the Bureau of Public Health,PLA General Political Department,Beijing 100000,China,2.Institute of Hygiene , Environmental Medicine,Academy of Military Medical Sciences,Tianjin 300050,China) |
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| Abstract: | Objective:To establish a rapid and accurate method for the determination of cyanide in contamination food on the spot.Methods:The concentration of cyanide was assayed based on the oxidation-reduction reaction between the cyanide and the ninhydrin in alkaline medium,to form the colored compound(max=485 nm),and there is a linear relationship between the intensity of color and the concentration of cyanide,so it was mensured by combining with a portable photolometer,and the optimal experimental conditions were ... |
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| Keywords: | Test strip method Cyanide Field screening |
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