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Citation: JIN Gen-Di, PENG Sheng-Wei, HU Xiao-Ya. Integrated Pulsed Amperometric Detection(IPAD) of Phenylethylamine[J]. Chinese Journal of Applied Chemistry, ;2008, 25(12): 1404-1408. shu

Integrated Pulsed Amperometric Detection(IPAD) of Phenylethylamine

1.
College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002

Corresponding author: HU Xiao-Ya,
Received Date: 28 February 2008
Available Online: 29 May 2008
Fund Project: 国家自然科学基金资助项目(20375034,20675071) (20375034,20675071)

The integrated pulsed amperometric detection(IPAD) was applied to the detection of phenylethylamine.At an appropriate potential,phenylethylamine responded sensitively at an Au-electrode.The main advantages are the high sensitivity,good reproducibility and stability.The method has the ability to keep the working electrode clean by the use of a high-frequent pulse waveform and a cleaning potential.In this article,the oxidation potential of phenylethylamine was determined by cyclic voltammetry,and the integrated pulsed amperometric parameters were studied.The proper parameters are:phenylethylamine should be oxidized under a potential of 0.650 V for 0.2 s,the optimum electrolyte is NaOH solution(pH=12.7),the range of linearity is 1.15×10^-5~1.67×10^-7 mol/L,the detection limit is 1.00×10^-7 mol/L,and the average recovery is 95.8%.In addition,the interfering factors were also studied in this article.In conclusion,this method has a good reproducibility and it is easy,inexpensive and time saving.
- phenylethylamine,
- gold electrode,
- cyclic voltammetry,
- integrated pulsed amperometric detection
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