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Citation: FU Ying-Qiang, CHEN Ning-Sheng, WANG Sheng-Zhong. Simultaneous Determination of Pyrocatechol and m-Phenylenediamin with Artificial Neural Network—Inhibitory Kinetic Spectrophotometry[J]. Chinese Journal of Applied Chemistry, ;2009, 26(6): 734-737. shu

Simultaneous Determination of Pyrocatechol and m-Phenylenediamin with Artificial Neural Network—Inhibitory Kinetic Spectrophotometry

1.
Department of Biochemical Engineering, Anhui University of Technology and Science, Wuhu 241000

Corresponding author: FU Ying-Qiang,
Received Date: 20 May 2008
Available Online: 25 August 2008
Fund Project: 安徽省科技厅重点计划科研项目(0302325) (0302325)安徽工程科技学院青年基金资助项目(2004YQ005) (2004YQ005)

It has been observed that pyrocatechol and m-phenylenediamin can sensitively inhibit the discoloration of neutral red oxidation by H₂O₂ in the presence of catalyst Fe(Ⅲ) in dilute sulfuric acid solution.The inhibitory effects of the two organic compounds do not show additive properties.Based on this result,the advantages of artificial neural network were adopted to handle the experimental data and a new inhibitory kinetic spectrophotometry assisted with artificial neural networks for the simultaneous determination of pyro-catechol and m-phenylenediamin was established.The method has been applied to simultaneously determine 5 groups of pyrocatechol and m-phenylenediamin with results of recoveries from 96.8% to 104.4%,respectively.
- kinetic-spectropholometry,
- artificial neural network,
- pyrocatechol,
- m-phenylene diamin
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