Author： Hao Liang Du Jianxiu Lu Jiuru
Publisher： Taylor & Francis Ltd
ISSN： 0003-2719
Source： Analytical Letters, Vol.44, Iss.1-3, 2011-01, pp. : 38-47
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Abstract
A new flow injection chemiluminescence method for the determination of phenol was proposed, based upon the chemiluminescence reaction of phenol, N-bromosuccinimide, and hydrogen peroxide in neutral aqueous medium in the presence of cetyltrimethylammonium bromide surfactant micelles. The chemiluminescence signal was proportional to the concentration of phenol in the range of 1.0 × 10-7-8.0 × 10-6 g/mL with a detection limit of 3 × 10-8 g/mL. The relative standard deviation for 1.0 × 10-6 g/mL phenol solution was 2.0% (n = 11). The proposed method was successfully applied to the determination of phenol in phenol ear drops. A possible CL reaction mechanism was also discussed briefly.
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