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Sensors 2007, 7(4), 578-588; doi:10.3390/s7040578

A Sensitive Chemiluminescence Method for Determination of Hydroquinone and Catechol

1
College of chemistry, Sichuan University, Chengdu, 610064, P. R. China
2
College of chemical engineering, Sichuan University, Chengdu, 610064, P. R. China
*
Author to whom correspondence should be addressed.
Published: 26 April 2007
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Abstract

A novel flow-injection chemiluminescence(CL)method has been developedfor the determination of hydroquinone (HQ) and catechol (CT), based on their inhibition ofthe chemiluminescence reaction of luminol–KMnO4–β-cyclodextrin (β-CD). It was foundthat β-cyclodextrin could effectively enhance the chemiluminescence produced from thereaction of luminol with KMnO4 in basic media. The proposed method is simple, rapid,convenient and sensitive, has a linear range of 1–20 ng/mL for catechol with a detectionlimit of 0.4 ng/mL, and 1–10 ng/mL for hydroquinone with a detection limit of 0.1 ng/mL,respectively. The possible mechanism of the CL reaction is also discussed View Full-Text
Keywords: hydroquinone; catechol; chemiluminescence; flow injection analysis; determination hydroquinone; catechol; chemiluminescence; flow injection analysis; determination
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Zhao, L.; Lv, B.; Yuan, H.; Zhou, Z.; Xiao, D. A Sensitive Chemiluminescence Method for Determination of Hydroquinone and Catechol. Sensors 2007, 7, 578-588.

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