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Carbon Dots‐catalyzed Chemiluminescence for the Determination of Trace Isonaphthol
Author(s) -
Wang Jianbo,
Han Suqin,
Fan Zheyan,
Chen Yingying,
Zhang Lifu,
Jiang Fengying
Publication year - 2017
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.201600883
Subject(s) - chemistry , chemiluminescence , luminol , detection limit , catalysis , carbon fibers , trace amounts , analytical chemistry (journal) , nuclear chemistry , chromatography , organic chemistry , medicine , materials science , alternative medicine , pathology , composite number , composite material
A rapid and sensitive chemiluminescence ( CL ) method has been found for the determination of isonaphthol. Carbon dots ( CDs ), synthesized by the ultrasonic method using glucose as carbon precursor, could significantly catalyze the CL reaction between luminol and KMnO 4 at extremely low concentrations in an alkaline medium. Moreover, the CL intensity of the CD –luminol– KMnO 4 system was further enhanced in the presence of isonaphthol. Based on this finding, a novel CL method for the determination of isonaphthol was developed. Under optimum experimental conditions, CL intensity was proportional to the concentration of isonaphthol in the range 0.1–10.0 μM . The detection limit was 23.0 nM . The method was successfully applied for the determination of trace isonaphthol in water samples. The possible CL mechanism was investigated.