| 流动注射-抑制化学发光法测定克百威 |
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| 引用本文： | 贾风燕,刘振波,王荣,刘永明. 流动注射-抑制化学发光法测定克百威[J]. 理化检验(化学分册), 2011, 0(2) |
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| 作者姓名： | 贾风燕 刘振波 王荣 刘永明 |
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| 作者单位： | 烟台大学化学生物理工学院;烟台万华超纤股份有限公司; |
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| 基金项目： | 国家自然基金(20973149) |
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| 摘 要： | 基于在碱性介质中,克百威抑制鲁米诺-过氧化氢-叶绿素铜钠体系的化学发光,提出了流动注射-抑制化学发光法测定克百威含量的方法。试验结果表明:叶绿素铜钠对克百威荧光猝灭过程是静态猝灭过程,叶绿素铜钠与克百威结合形成物质的量比为1比1的稳定配合物,平衡常数(K0)为3.41×105L.mol-1(25℃),结合距离(r)为0.39 nm。克百威质量浓度在0.08～2.00 mg.L-1范围内与其发光强度呈线性关系,方法检出限(3σ/k)为0.03 mg.L-1。此法用于克百威杀虫剂样品的分析,测得方法的平均加标回收率为101.5%。
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| 关 键 词： | 流动注射 抑制化学发光法 鲁米诺 叶绿素铜钠 克百威 |
FI-Inhibitory Chemiluminescence Determination of Carbofuran |
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| JIA Feng-yan,LIU Zhen-bo,WANG Rong,,LIU Yong-ming. FI-Inhibitory Chemiluminescence Determination of Carbofuran[J]. Physical Testing and Chemical Analysis Part B:Chemical Analgsis, 2011, 0(2) |
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| Authors: | JIA Feng-yan LIU Zhen-bo WANG Rong LIU Yong-ming |
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| Affiliation: | JIA Feng-yan1,LIU Zhen-bo1,WANG Rong1,2,LIU Yong-ming1(1.Science and Engineering College of Chemistry and Biology,Yantai University,Yantai 264005,China,2.Yantai Wanhua Super-Fiber Co.Ltd.,Yantai 264002,China) |
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| Abstract: | Based on the inhibitory effect of carbofuran on the CL-reaction system of luminol-H2O2-sodium copper chlorophyll in an alkaline medium,a method for the determination of carbofuran by FI-inhibitory chemiluminescence(CL) was proposed.It was found that a stable complex was formed by the reaction of sodium copper chlorophyll with carbofuran in the mole ratio of 1 to 1,the process of quenching of fluorescence of carbofuran was proved to be a process of static quenching.Equilibrium constant(K0) and combination di... |
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| Keywords: | Flow injection Inhibitory chemiluminescence Luminol Sodium copper chlorophyll Carbofuran |
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