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author:

Zhang, L. (Zhang, L..) [1] (Scholars:张兰) | Tong, P. (Tong, P..) [2] | He, Y. (He, Y..) [3] (Scholars:何聿) | Huang, D. (Huang, D..) [4] | Chen, G. (Chen, G..) [5] (Scholars:陈国南)

Indexed by:

Scopus PKU CSCD

Abstract:

A method based on capillary electrophoresis with end-column electrochemical detection (HPCE-ED) was developed for the determination of the diuretics of hydrochlorothiazide (HCT) and triamterene (TAT) simultaneously. The detection electrode was a 300 |j,m carbon disc electrode at a working potential of +1.1 V versus Ag/AgCl electrode. The two analytes could be well separated within 8 min in a 50 cm long capillary at a separation voltage of 24 kV with a 10 mmol/L phosphate buffer (pH 7. 5). Under optimum conditions, the current response was linear over about two orders of magnitude with detection limits (S/N = 3) of 0. 29 and 0. 25 mg/L for triamterene and hydrochlorothiazide, respectively. The proposed method was successfully applied to determine the synthetic urine and real pharmaceuticals samples. The recoveries were found to be in the range of 93. 5% -97. 2%.

Keyword:

Capillary electrophoresis; Diuretics; Electrochemical detection; Hydrochlorothiazide; Triamterene

Community:

  • [ 1 ] [Zhang, L.]School of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
  • [ 2 ] [Tong, P.]School of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
  • [ 3 ] [He, Y.]School of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
  • [ 4 ] [Huang, D.]School of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
  • [ 5 ] [Chen, G.]School of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China

Reprint 's Address:

  • 张兰

    [Zhang, L.]School of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China

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Source :

Chinese Journal of Chromatography (Se Pu)

ISSN: 1000-8713

CN: 21-1185/O6

Year: 2005

Issue: 1

Volume: 23

Page: 22-25

1 . 2 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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