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Citation: BAO Xiao-Yu, CAO Shu-Jie, CHEN Xin, CHEN Jian-Guo. Quantitative Analysis of Sulfadiazine by Cyclic Voltammetry[J]. Chinese Journal of Applied Chemistry, ;2006, 23(8): 858-861. shu

Quantitative Analysis of Sulfadiazine by Cyclic Voltammetry

1.
Department of Chemistry, Nanyang Teachers' College, Nanyang 473061

Corresponding author: BAO Xiao-Yu,
Received Date: 16 September 2005
Available Online: 8 December 2005
Fund Project: 河南省教育厅自然科学基金资助项目(20021800002) (20021800002)

The electrochemical behavior of sulfadiazine(SD) at multi-wall carbon nanotube(MWNT) modified glassy carbon electrode(GCE) was investigated.The peak current of SD at the MWNT-modified GCE increased significantly in comparison with that at the bare GCE.Based on this,a direct electroanalytical method for determining SD was developed.The experimental parameters such as buffer pH,accumulation potential and time,the amount of MWNT onto the electrode surface and scan rate were optimized.The oxidation peak current increased linearly with the concentration of SD in the range of 1.0×10^-6~1.2×10^-4 moL/L.The detection limit was 5.0×10^-7 mol/L.With the proposed method,SD in sulfadiazine tablets was determined.
- sulfadiazine,
- quantitative analysis,
- multi-wall carbon nanotubes,
- modified glassy carbon electrode,
- cyclic voltammetry
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