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Global Journal of Analytical Chemistry. Volume 2, Issue 4 (2011) pp. 168-174
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Research Article
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Determination of lead in gasoline, water and human serum using flow injection chemiluminescence with reagent immobilization release technique
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Judong You, Hairu Lv, Jingjing Zhang, Faxin Dong, Zhenghua Song
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Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, 229,
Taibai North Road, Xi’an 710069, Shaanxi, China
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Abstract |
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Based on the enhanced effect on luminol and potassium periodate (KIO4) chemiluminescence (CL) reaction, a sensitive, selective and rapid method by flow injection chemiluminescence CL with controlled-reagent-release technology for the determination of lead was described in this paper. At a flow rate of 2.0 mL min-1, a complete determination of lead, including sampling and washing, could be performed in 30 s with a relative standard deviation of less than 3.0%. The proposed procedure, which could be simply reused and exhibited remarkable stability with reagent efficiency and reduced consumption, was successfully applied to determine lead in gasoline, water and human serum samples without any pre-treatment process.
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Keywords |
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Lead; Chemiluminescence; Luminol; Gasoline; Water; Serum
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