| 高压电场作用下乙醇-水溶液体系变化红外光谱分析 |
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| 引用本文： | 曾新安,张本山,耿予欢.高压电场作用下乙醇-水溶液体系变化红外光谱分析[J].光谱学与光谱分析,2002,22(1):29-32. |
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| 作者姓名： | 曾新安 张本山 耿予欢 |
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| 作者单位： | 华南理工大学食品与生物工程学院,广东,广州,510640 |
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| 基金项目： | 广州市重大科技攻关，华南理工大学校基金资助项目 |
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| 摘 要： | 本文报道了用红外光谱分析电磁场作用下乙醇 水溶液体系变化情况。分析结果表明 :当乙醇溶液受到 2 0kV·cm- 1 的交变电磁场处理 (5 0Hz)时 ,分子之间的氢键缔合先增大后减少 ;高乙醇含量溶液受到同样强度电场较长时间处理时 ,有乙醇发生氧化反应 ,从红外谱中可看到νCO 峰及ν(OH) (H2 O) 峰的出现 ;经处理后的溶液自然放置 7天再测定 ,其红外谱图基本保持不变。文中对各出现变化的峰进行了分析 ,并对其机理进行了推导
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| 关 键 词： | FTIR 高压电场 乙醇溶液 人工催陈 红外光谱 酒 |
| 文章编号： | 1000-0593(2002)01-0029-04 |
| 修稿时间： | 2000年12月18 |
FTIR Analysis of the Alcohol Solution Treated by High Voltage Electric Field |
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| ZENG Xin-an,ZHANG Ben-shan,GENG Yu-huan South China University of Technology,Food and Bioengineering College,Guangzhou ,China.FTIR Analysis of the Alcohol Solution Treated by High Voltage Electric Field[J].Spectroscopy and Spectral Analysis,2002,22(1):29-32. |
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| Authors: | ZENG Xin-an ZHANG Ben-shan GENG Yu-huan South China University of Technology Food and Bioengineering College Guangzhou China |
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| Institution: | South China University of Technology, Food and Bioengineering College, Guangzhou 510640, China. |
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| Abstract: | This paper studied the FTIR spectrum change of alcohol-water system after treated by high voltage electric field (2.0 kV.cm-1, 50 Hz). 4 kinds of systems were studied: pure water, 10% and 50% alcohol water solution and pure alcohol. Results showed that the position of nu (OH) in FTIR spectrum reflect the amount of hydrogen bonds in the alcohol-water system; when the solution treated by 1-30 min, the hydrogen bonds increased first and then decreased a lot. When the 50% alcohol solution and pure alcohol were treated more than 30 min by 2.0 kV.cm-1 electric field, peaks of nu (c-o) and nu (OH)(H2O) appeared in the spectrum. This indicated that alcohol might be oxidized by external physical field force and aldehyde and ester were formed. Test for the treated samples 7 days later found the FTIR spectra were almost the same. Some mechanisms were deduced. |
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| Keywords: | FTIR High voltage electric field Alcohol solution Artificial aging |
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