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Citation: MA Huai-Ling, LING Cui-Xia, MA Xiao-Hua. Determination of Nonsteroidal Antiinflammatory Drug Nimesulide via Its Parallel Catalytic Hydrogen Wave[J]. Chinese Journal of Applied Chemistry, ;2006, 23(12): 1359-1363. shu

Determination of Nonsteroidal Antiinflammatory Drug Nimesulide via Its Parallel Catalytic Hydrogen Wave

1.
Chemistry Department, Shangqiu Normal College, Shangqiu 476000

Corresponding author: MA Huai-Ling,
Received Date: 23 December 2005
Available Online: 24 March 2006
Fund Project: 河南省自然科学基金项目(0511020300) (0511020300)商丘市科技攻关项目(20055001) (20055001)

The catalytic hydrogen wave of nimesulide was measured at ca. -1.20 V(vs.SCE) in 0.10 mol/L KH₂PO₄-Na₂HPO₄(pH=6.24±0.1) aqueous solution.When 1.0×10^-2 mol/L K₂S₂O₈ is present,the current increases by 20 times,and the peak potential is unchanged,producing a more sensitive parallel catalytic hydrogen wave.The peak current of the parallel catalytic hydrogen wave is proportional to the nimesulide concentration in the range 2.0×10^-7~80×10^-6 mol/L(r=0.988 6,n=9).The detection limit is 2.0×10^-7 mol/L.The proposed method can be applied to the determination of nimesulide in pharmaceuticals without preliminary separation.
- nimesulide,
- persulfate,
- catalytic hydrogen wave,
- parallel catalytic hydrogen wave
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