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Determination of thiophanate-methyl using UV absorption spectra based on multiple linear regression

文献类型： 外文期刊

作者： Jiao, L. 1 ; Dong, D. 1 ; Zheng, W. 1 ; Zhao, X. 1 ; Zhang, S. 1 ; Shen, C. 1 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Beijing Res Ctr Intelligent Equipment Agr, Beijing, Peoples R China

2.Beijing Key & Open Lab Informat Technol Agr, Beijing 100097, Peoples R China

3.Beijing Key & Open Lab

关键词： Thiophanate-methyl;UV absorption spectra;Multiple linear regression;Related coefficient

期刊名称：OPTIK （ 影响因子：2.443； 五年影响因子：1.955 ）

ISSN： 0030-4026

年卷期： 2014 年 125 卷 1 期

页码：

收录情况： SCI

摘要： As one worldwide used agent for fungi control in the fruit and vegetable field, thiophanate-methyl has been constituted a significant health risk. To determinate thiophanate-methyl, the method using UV absorption spectra based on multiple liner regression is used. Principal absorption wavelengths related closely with thiophanate-methyl ethanol solution are confirmed through analyzing the absorption spectra of thiophanate-methyl. Utilizing multiple linear regression, mathematical model between absorbance obtained from fourteen absorption wavelengths and thiophanate-methyl concentration is established. The result shows concentrations between the predicted values and measured values are well coincident and the related coefficient is 0.9853 over the concentration range 2-35 ppm. (C) 2013 Elsevier GmbH. All rights reserved.

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