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Journal of Applied Sciences
  Year: 2006 | Volume: 6 | Issue: 7 | Page No.: 1625-1627
DOI: 10.3923/jas.2006.1625.1627
 
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Electrochemical Behavior and the Determination of Omeprazole Using Glassy Carbon Electrode

Jin-Long Yan

Abstract:
The electrochemical behavior of omeprazole on a glassy carbon electrode was investigated by cyclic voltammetry and differential pulse voltammetry. It was found that omeprazole would give a sensitive oxidation peak at +0.74 V in the HAc-NaAc buffer solution (pH 5.10) under the Differential Pulse Voltammetric (DPV) mode. The peak current was linear with the concentration of omeprazole in the range of 1.0~20 mg L-1. Based on which, a DPV method for determination of omeprazole with the detection limit of 0.19 mg L-1 has been developed. The proposed method has been used for determination of omeprazole concentration in omeprazole enteric-coated tablets, the recovery was found to be in the range of 99.3~102%. The mechanism for this electrochemical reaction at the glassy carbon electrode was also discussed in this study.
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How to cite this article:

Jin-Long Yan , 2006. Electrochemical Behavior and the Determination of Omeprazole Using Glassy Carbon Electrode. Journal of Applied Sciences, 6: 1625-1627.

DOI: 10.3923/jas.2006.1625.1627

URL: https://scialert.net/abstract/?doi=jas.2006.1625.1627

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