期刊
TALANTA
卷 72, 期 4, 页码 1378-1385出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.talanta.2007.01.072
关键词
chemiluminescence; sensors; hydrogen peroxide; rainwater
A chemiluminescence one-shot sensor for hydrogen peroxide is described. It is prepared by immobilization of cobalt chloride and sodium lauryl sulphate in hydroxyethyl cellulose matrix cast on a microscope cover glass. Luminol, sodium phosphate and the sample are mixed before use and applied on the membrane by a micropipette. The calibration graph is linear in the range 20-1600 mu g/L, and the detection limit of the method (3 sigma) is 9 mu g/L. A relative standard deviation of 4.5% was obtained for 100 mu g/L H2O2 (n = 11). The sensor has been applied successfully to the determination of hydrogen peroxide in rainwater. (C) 2007 Elsevier B.V. All rights reserved.
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