| LUO Su-xing,WU Yuan-hui,YANG Hong,JIA Pan.Electrochemical Behavior of Terbutaline Sulfate at Graphene Modified Glassy Carbon Electrode and Its Application Analysis[J],42(3):112-115 |
| Electrochemical Behavior of Terbutaline Sulfate at Graphene Modified Glassy Carbon Electrode and Its Application Analysis |
| Received:February 26, 2013 Revised:March 18, 2013 |
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| DOI： |
| KeyWord:terbutaline sulfate graphene modified electrode electrochemitry determination |
| Author | Institution |
| LUO Su-xing |
College of Chemistry and Chemical Engineering, Zunyi Normal University, Zunyi , China |
| WU Yuan-hui |
College of Chemistry and Chemical Engineering, Zunyi Normal University, Zunyi , China |
| YANG Hong |
College of Chemistry and Chemical Engineering, Zunyi Normal University, Zunyi , China |
| JIA Pan |
College of Chemistry and Chemical Engineering, Zunyi Normal University, Zunyi , China |
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| Abstract: |
| The electrochemical behaviors and electrochemical kinetics of terbutaline sulfate on graphene modified glassy carbon electrode ( GR / GC) were studied and a novel electrochemical quantitative analysis for the determination of the concentration of terbutaline sulfate was establish by using electrochemical impedance spectroscopy, cyclic voltammetry, chronocoulometry, differential impulsive voltammetry and other methods. The results indicated that the electrochemical process of terbutaline sulfate on GR / GC electrode was an irreversible electrochemical oxidation, which was controlled by diffusion process. The peak current was linear to the squareroot of the scan rate in the range of 20 ~ 250 mV / s, and the process was controlled by diffusion. The method can be applied in the determination of terbutaline sulfate content in bricanyl tablets, which is simple, fast and sensitive. |
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