Sequential Injection Chemiluminescence Methodology for Ozone Evaluation

A sequential injection methodology with chemiluminescence detection for the evaluation of residual ozone in waters is presented. The procedure is based on the reaction between luminol and ozone without catalysts. Linear calibration plots were obtained for ozone concentrations between 0.05 and 2.0 mg...

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Bibliographic Details
Published in:Analytical letters 2011-01, Vol.44 (1-3), p.117-126
Main Authors: dos Santos, Daniele C. M. B., Korn, M. Graças A., Korn, Mauro, Pinto, Paula C. A. G., Saraiva, M. Lúcia M. F. S., Lima, José L. F. C.
Format: Article
Language:English
Subjects:
Calibration
Catalysis
Chemiluminescence
Deviation
Luminol
Mathematical analysis
Methodology
Ozone
Ozonized water
Sampling
Sequential injection
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Summary:A sequential injection methodology with chemiluminescence detection for the evaluation of residual ozone in waters is presented. The procedure is based on the reaction between luminol and ozone without catalysts. Linear calibration plots were obtained for ozone concentrations between 0.05 and 2.0 mg L −1 , with a detection limit of 0.04 mg L −1 . The developed methodology was applied to the determination of residual ozone in ozonized waters and the results complied with those furnished by the spectrophotometric reference procedure (relative deviations 
ISSN:0003-2719
1532-236X
DOI:10.1080/00032719.2010.500769