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- W2368095101 abstract "Objective:To study the voltammetric behavior of acetaminopben and ascorbic acid at poly 4-(2-pyri- dylazo)-resorcinol(PAR)modified glassy carbon electrode(GCE)and establish a novel method for the determi- nation of the concentration of acetaminophen and ascorbic acid.Method:The electrochemical behaviors of aeetamin- ophen and ascorbic acid at PAR modified electrode were studied by cyclic voltammetry,and the determination of ac- etaminophen and ascorbic acid was measured in differential pulse voltammetry(DPV).Results:The modified elec- trode shows excellent electrocatalysis characteristics for acetaminophen and ascorbic acid,and strong catalytic effect to increased the reaction reversibility of acetaminophen and ascorbic acid.In pH 6.0 phosphate buffer solution (PBS),the relationship between oxidation peak current and the concentration of aeetaminophen was linear in the ranges of 1.0×10~(-8)-1.5×10~(-5) and 5×10~(-5)-4×10~(-4) mol·L~(-1).The relationship between oxidation peak cur- rent and the concentration of ascorhic acid was also linear in the ranges of 1.0×10~(-6)-3.0×10~(-4) mol·L~(-1).The detection limits of acetaminophen and ascorbic acid have been estimated as 5.0×10~(-9) mol·L~(-1) and 5.0×10~(-7) mol·L~(-1).Conclusion:The PAR modified GCE is used independently or simultaneously to determine acetamino- phen and ascorbic acid without any interference.And this method can be used for the determination of acetamino- phen and ascorbic acid in the sample with satisfactory results." @default.
- W2368095101 created "2016-06-24" @default.
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- W2368095101 date "2008-01-01" @default.
- W2368095101 modified "2023-09-23" @default.
- W2368095101 title "Simultaneous determination of acetaminophen and ascorbic acid by electropolymerized 4-(2-pyridylazo)-resorcinol film modified electrode" @default.
- W2368095101 hasPublicationYear "2008" @default.
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