Chemiluminescence flow injection analysis of 1,3-dichloro-5,5-dimethylhydantoin in swimming pool water

被引：14
|
作者：
Rao, ZM
Zhang, XR [1 ]
Baeyens, WRG
机构：
[1] Tsing Hua Univ, Dept Chem, Beijing 100084, Peoples R China
[2] Zhangzhou Teachers Coll, Dept Chem, Zhangzhou 363000, Peoples R China
[3] State Univ Ghent, Fac Pharmaceut Sci, B-9000 Ghent, Belgium
来源：
TALANTA | 2002年 / 57卷 / 05期
关键词：
chemiluminescence; flow-injection; 1,3-dichloro-5,5-dimethylhydantoin; luminol;
D O I：
10.1016/S0039-9140(02)00143-1
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A new chemiluminescence (CL) flow-injection method is proposed for the determination of 1,3-dichloro-5,5-dimethylhydantoin (DDH). The method is based on the chemiluminescent reaction of DDH and luminol-H2O2 in an alkaline medium (pH 12.0-12.5). The concentration of the analyte shows a good linear relationship with the produced luminescence intensity in the range of 3.0 x 10(-8) to 8.0 x 10(-6) mol l(-1). The detection limit of the proposed method is 1.0 x 10(-8) mol l(-1) and the relative standard deviation (R.S.D.) is 4.7% (n=5) at 5.0 x 10(-6) mol l(-1). This method was successfully applied to the determination of trace amounts of this disinfectant in water samples obtained from five different swimming pools. Satisfying recovery values were also obtained. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：993 / 998
页数：6
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