| 光谱学与光谱分析 |
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| Quantitative Determination of Imidacloprid by Infrared Absorption Spectrometry |
| MA Guo-xin1, 2,WANG Cheng-long1*,FAN Duo-wang1,XING Da3,QIAN Long1,WANG Jin-hui1,LIU Song-hao4 |
1. Key Laboratory of Optoelectronic Technology and Intelligent Control, Ministry of Education, Lanzhou Jiaotong University, Lanzhou 730070, China
2. College of Electronics and Information Engineering, South China University of Technology, Guangzhou 510640, China
3. Institute of Laser Life Science, South China Normal University, Guangzhou 510631, China
4. Institute of Quantum Electronics, School for Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510631, China |
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Abstract The content of imidacloprid in pesticide is usually measured by high-performance liquid chromatography, which is precise but time-consuming. In the present work the content of imidacloprid in pesticide was measured by infrared spectroscopy with pressing potassium bromide troche(KBr). A comparison of infrared spectra between analytic imidacloprid and commercial pesticide showed that the absorption peak of imidacloprid at 939.2 cm-1 is independent and can be used as the characteristic absorption peak for quantitative determination. The area from 947 to 925.8 cm-1 for the infrared spectra of imidacloprid and its content meet the linear equation: Area=1.366 5×10-1+2.37×10-2×c,r=0.999 53. Finally, the authors could draw a conclusion that the method of NIR, instead of routine lab analysis, is feasible for the determination of imidacloprid in pesticide.
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Received: 2005-09-28
Accepted: 2005-12-18
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Corresponding Authors:
WANG Cheng-long
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| Cite this article: |
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MA Guo-xin,WANG Cheng-long,FAN Duo-wang, et al. Quantitative Determination of Imidacloprid by Infrared Absorption Spectrometry[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(03): 434-437.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2006/V26/I03/434 |
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