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Citation: MA Huai-Ling, CAO Guang-Xiu, WEI Xiu-Hua. Parallel Catalytic Hydrogen Wave of Gliclazide and Its Application[J]. Chinese Journal of Applied Chemistry, ;2008, 25(1): 90-94. shu

Parallel Catalytic Hydrogen Wave of Gliclazide and Its Application

1.
Chemistry Department, Shangqiu Normal College, Shangqiu 476000

Corresponding author: MA Huai-Ling,
Received Date: 12 February 2007
Available Online: 28 May 2007
Fund Project: 河南省自然科学基金资助项目(0511020300) (0511020300)

The article studies electrochemical behavior of gliclazide in buffer solution and demonstrates a fast and sensitive method by measuring gliclazide-parallel catalytic hydrogen wave.The gliclazide yielded a catalytic hydrogen wave whose peak potential was-1.49 V(vs.SCE) in 0.10 mol/L NH₃H₂O-NH₄Cl(pH=8.89±0.1) supporting electrolyte.In the presence of 1.0×10^-2 mol/L K₂S₂O₈,a more sensitive parallel catalytic hydrogen wave was produced.The peak current increased by 30 times and the peak potential remained almost the same.The second derivative peak current of the parallel catalytic hydrogen wave was linear to the gliclazide concentration in the range of 1.0×10^-8 to 6.0×10^-5 mol/L(r=0.997 0,n=10).The limit detection was 5.0×10^-9 mol/L.The method was used to measure the content of gliclazide of troche and also used in the reclaimation experiments with emiction standard,whose result was correct and credible.The method can be used to measure the content of gliclazide in pharmaceutical preparations.
- gliclazide,
- potassium persulfate,
- parallel catalytic hydrogen wave
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