| 光谱学与光谱分析 |
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| Determination of the Monomers in Phenylethylene-Butyl Acrylate-Vinyl Triethoxy Siloxane Terpolymer for Solid Phase Microextraction Coating by Combining IR and UV |
| SHEN Shu-chang1,LIU Cai-yun1,FU Shuang1,ZHANG Wei-bing2,WANG Wen-bo1 |
1. College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar 161006, China
2. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116011, China |
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Abstract In the present paper, phenylethylene-butyl acrylate-vinyl triethoxy siloxane terpolymer, as SPME coating, was synthesized. Combining infrared spectrum and ultraviolet spectrum, the contents of the monomers were determined. The two monomers’ mole ratio of phenylethylene to butyl acrylate was obtained by IR. The content of phenylethylene was obtained by UV. Then the contents of butyl acrylate and vinyl triethoxy siloxane were calculated from the phenylethylene quantity and the mole ratio. For the determination of the mole ratio of phenylethylene to butyl acrylate, the standard curve was Ar=0.114mr+0.032 (A: absorptance ratio, mr: mole ratio), and the corre lation efficient(r2) was 0.999 3; for the determination of the content of phenylethylene, the standard curve was ΔA=0.078 6c+0.081 2(ΔA: absorptance difference, c: concentration of phenylethylene), and the correlation efficient(r2) was 0.998 9. The relative standard deviation (RSD) for phenylethylene was 0.41%, and recoveries were 97.8%-104%. The relative standard deviation (RSD) for butyl acrylate was 0.39%, and the recoveries were 97.1%-99.6%.
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Received: 2006-08-10
Accepted: 2006-10-28
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Corresponding Authors:
SHEN Shu-chang
E-mail: sscfxzx @163.com
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| Cite this article: |
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SHEN Shu-chang,LIU Cai-yun,FU Shuang, et al. Determination of the Monomers in Phenylethylene-Butyl Acrylate-Vinyl Triethoxy Siloxane Terpolymer for Solid Phase Microextraction Coating by Combining IR and UV[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(11): 2235-2238.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2007/V27/I11/2235 |
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