Citation: Jia Chu HUANG, Cheng Xiao ZHANG, Zhu Jun ZHANG. Flow-injection Chemiluminescence Determination of Catecholamines[J]. Chinese Chemical Letters, ;1998, 9(9): 843-845. shu

Flow-injection Chemiluminescence Determination of Catecholamines

1.
Department of Chemistry Shanxi Normal University Xian 7100622 Lu'an Teacher's College Lu'an Anhui 237012

Received Date: 19 March 1998

Fund Project: This study was supported by the National Natural Science Foundation of China (No.39730160).

A flow injection chemiluminescence (CL) method for the determination of catecholamines is described which is based on their inhibition of the intensity of CL from the luminol-hypochlorite system. The hypochlorite was electrogenerated on-line by a constant current electrolysis, resulting in the elimination of the instability of the hypochlorite solution prepared from a commercial reagent of sodium hypochlorite. The detection limits are 0.6 ng/ml for dopamine, 0.8 ng/ml for adrenaline and isoprenaline. The proposed method has been successfully applied to the determination of catecholamines in pharmaceutical injections.
- flow-injection chemiluminescence,
- catecholamine,
- luminol,
- electrolysis
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