Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 85, Issue 1, Pages 283-287Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2011.10.008
Keywords
Flow injection; Chemiluminescence; Phenol; Luminol; Hydrogen peroxide; Hemin
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Funding
- China National 863 Project [2006BAE01A08-01]
- University of Jinan [XBS0908]
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This study established a novel flow injection (FI) methodology for the determination of phenol in aqueous samples based on luminol chemiluminescence (CL) detection. The method was based on the inhibition that phenol caused on the hemin-catalysed chemiluminescence reaction between luminol and hydrogen peroxide in alkaline solution. Optimum conditions and possible mechanisms have been investigated. The linear range was 2.0 x 10(-9) to 4.0 x 10(-7) g mL(-1) for phenol. The proposed method is sensitive with a detection limit of 4.0 x 10(-19) g ml(-1). The relative standard deviation for 11 measurements was 2.3% for 1.0 x 10(-7)g mL(-1) phenol. The method was applied for the determination of phenol in waste water samples. The results obtained compared well with those by an official method. (C) 2011 Elsevier B.V. All rights reserved.
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