| 流动注射-鲁米诺-铁氰化钾化学发光体系测定环境水体中痕量2,4-二氯苯酚 |
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| 引用本文： | 张立科,卫世乾.流动注射-鲁米诺-铁氰化钾化学发光体系测定环境水体中痕量2,4-二氯苯酚[J].河南师范大学学报(自然科学版),2014(3):75-78. |
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| 作者姓名： | 张立科 卫世乾 |
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| 作者单位： | 许昌学院化学化工学院;许昌学院学报编辑部; |
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| 基金项目： | 国家自然科学基金(61106125);许昌学院第三届优秀青年骨干教师资助项目(院政人[2011]23号) |
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| 摘 要： | 基于中性介质中,2,4-二氯苯酚对鲁米诺-铁氰化钾化学发光体系有明显的增敏作用,提出了流动注射化学发光法测定痕量2,4-二氯苯酚的方法.在优化的试验条件下,2,4-二氯苯酚的化学发光强度与其浓度在1.0×10-7~1.0×10-5 mol/L范围内呈线性关系,方法的检出限(3S/N)为1.060×10-8 mol/L.对浓度为1.0×10-5mol/L2,4-二氯苯酚溶液连续测定11次,测定值的相对标准偏差为2.1%.取工业废水水样,经固相萃取后用该法测定其中痕量2,4-二氯苯酚含量,同行业推荐标准方法对比,结果相近.
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| 关 键 词： | 流动注射化学发光 2 4-二氯苯酚 鲁米诺 工业废水 |
FI-Chemiluminescence Determination of Trace Amount of 2,4-Dichlorophenol |
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| ZHANG Like;WEI Shiqian.FI-Chemiluminescence Determination of Trace Amount of 2,4-Dichlorophenol[J].Journal of Henan Normal University(Natural Science),2014(3):75-78. |
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| Authors: | ZHANG Like;WEI Shiqian |
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| Institution: | ZHANG Like;WEI Shiqian;Department of Chemistry and Chemical Engineering,Xuchang College;Journal Editorial Section,Xuchang College; |
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| Abstract: | Based on the chemiluminescence(CL)reaction of oxidation(potassium ferricyanide)and the chemiluminescent(Luminol),2,4-Dichlorophenol can enhanced the reaction,a FI-CL method for determination of trace amounts of catechol was proposed.Under optimum conditions,linear relationship between values of CL intensity and concentration of 2,4-Dichlorophenol was obtained in the range of 1.0×10-7-1.0×10-5 mol/L,with detection limit(3S/N)of 1.060×10-8 mol/L.Precision of the method was tested at the concentration level of 1.0×10-5 mol/L of 2,4-Dichlorophenol,for 11determinations,value of RSD found was 2.1%.2,4-Dichlorophenol in samples of waste water was purified by solid phase extraction,and determined by the proposed method. |
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| Keywords: | FI-Chemiluminescence 2 4-Dichlorophenol Luminol waste water |
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