| 光谱学与光谱分析 |
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| Simultaneous Determination of Four-Components in Mixed Herbicides by Modified Target Factor Analysis-UV Spectrophotometry |
| LIU Wei-ping，CAI Xi-yun，XU Zhong-jian，LI Ke-bin，XU Dong-mei |
| Institute of Environment Science 3041#, Zhejiang University, Hangzhou 310029，China |
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Abstract In this paper, the modified target factor analysis-UV spectrophotometry method is established for simultaneous determination of paraquat CL，cyanzine，metolachlor and atrazine in mixed herbicides. The experimental results show that the recovery of each herbicide by MTFA is more accurate than by TFA. The recovery of paraquat CL ranges from 99.47% to 102.02%, of cyanzine 98.93%-102.75%, of metolachlor 98.13%-102.65% and of atrazine 97.42%-103.20%, with SD for the four components to be 1.16%, 1.84%, 1.84% and 2.55% respectively. All in all, the modified target factor analysis method can be used to determine accurately mixed herbicides which exhibits intrinsic interaction among components.
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Received: 2002-11-11
Accepted: 2003-03-27
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| Cite this article: |
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LIU Wei-ping,CAI Xi-yun,XU Zhong-jian, et al. Simultaneous Determination of Four-Components in Mixed Herbicides by Modified Target Factor Analysis-UV Spectrophotometry [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(04): 459-462.
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http://www.gpxygpfx.com/EN/Y2004/V24/I04/459 |
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