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author:

Zhang, L. (Zhang, L..) [1] | Chen, G. (Chen, G..) [2] | Hu, Q. (Hu, Q..) [3] | Fang, Y. (Fang, Y..) [4]

Indexed by:

Scopus

Abstract:

A simple, reliable and reproducible method for separation and determination of levodopa and carbidopa based on capillary electrophoresis with amperometric detection is described in this paper. A potential of 900 mV (versus Ag/AgCl 3 mol/l KCl) was applied to the carbon disk electrode, which was used as working electrode in this system. Under the optimum conditions, two analytes were separated completely within 12 min, with linear ranges of 1.2-100.0 and 1.2-150.0 μg/ml, and detection limits of 0.6 and 0.3 μg/ml for levodopa and carbidopa, respectively. The mean recoveries of levodopa and carbidopa were 97.4 and 102.3%. The method was applied successfully to the determination in the real pharmaceutical samples. © 2001 Elsevier Science B.V.

Keyword:

Amperometric detection; Capillary zone electrophoresis; Carbidopa; Levodopa

Community:

  • [ 1 ] [Zhang, L.]Department of Chemistry, East China Normal University, Shanghai 200062, China
  • [ 2 ] [Chen, G.]Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 3 ] [Hu, Q.]Department of Chemistry, East China Normal University, Shanghai 200062, China
  • [ 4 ] [Fang, Y.]Department of Chemistry, East China Normal University, Shanghai 200062, China

Reprint 's Address:

  • [Fang, Y.]Department of Chemistry, East China Normal University, Shanghai 200062, China

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Source :

Analytica Chimica Acta

ISSN: 0003-2670

Year: 2001

Issue: 2

Volume: 431

Page: 287-292

2 . 0 7 3

JCR@2001

5 . 7 0 0

JCR@2023

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 83

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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