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Citation: HU Hongyu, ZHANG Lina, CHEN Jiangmin, ZENG Yanbo, LI Lei. Synthesis of Fluorescent Ionic Liquid Probe 1-Butyl-2-phenyl Thiourea Pyridinium Bromide and Its Application in Determination of Mercury Ion(Ⅱ)[J]. Chinese Journal of Applied Chemistry, ;2011, 28(12): 1436-1440. doi: 10.3724/SP.J.1095.2011.00009 shu

Synthesis of Fluorescent Ionic Liquid Probe 1-Butyl-2-phenyl Thiourea Pyridinium Bromide and Its Application in Determination of Mercury Ion(Ⅱ)

HU Hongyu ^a,b ,
ZHANG Lina ^a,c ,
CHEN Jiangmin ^a ,
ZENG Yanbo ^a ,
LI Lei ^a,b,,

1.
a College of Biological and Chemical Engineering, Jiaxing University, Jiaxing 314000;
2.
b College of Material and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000;
3.
c College of Chemistry and Chemical Engineering, Changzhou University, Changzhou

Corresponding author: LI Lei,
Received Date: 6 January 2011
Available Online: 16 April 2011
Fund Project: 浙江省自然科学基金资助项目(Y4080252) (Y4080252)

A novel type of fluorescent ionic liquid,1-butyl-2-phenyl thiourea pyridinium bromide,was synthesized and a new method for determining Hg²⁺ in aqueous medium was developed.The results show that the method has an excellent selectivity,good linear relationship(r²=0.999 1),recovery 95.2%~102.2%,and low detection limit(0.011 mg/L) in the mass concentration range of 0.02~4 mg/L in BR buffer solution at pH=7.The method is successfully used for Hg²⁺ determination in natural water.
- fluorescent spectrometry,
- fluorescent ionic liquid,
- fluorescent probe,
- mercury ion(Ⅱ)
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