甲醇作为压标的拉曼研究

乔二伟; 郑海飞; 孙樯

doi:10.11858/gywlxb.2004.04.014

甲醇作为压标的拉曼研究

doi: 10.11858/gywlxb.2004.04.014

造山带与地壳演化教育部重点实验室，北京大学地球与空间科学学院，北京 100871

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通讯作者:
郑海飞

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出版历程
- 收稿日期: 2003-07-21
- 修回日期: 2004-05-18
- 发布日期: 2004-12-05

Raman Spectroscopic Studies on Methanol as Pressure Gauge

Key Laboratory of Orogenic Belts and Crustal Evolution, Ministry of Education, School of Earth and Space Science, Peking University, Beijing 100871, China

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Corresponding author: ZHENG Hai-Fei

摘要

摘要: 利用立方氧化锆压腔研究了甲醇在温度301 K、压力169.2~713.8 MPa下CH伸缩振动2 835的拉曼特征，实验结果表明：在试验的压力范围内甲醇稳定，其拉曼位移和压力具有很好的线性关系。加上常压下的数据，拟合后得出压力与甲醇2 835 cm-1拉曼线频率位移的关系为：p= -3.508 9[(p)2 835]2+135.17 (p)2 835+54.397(0.1~713.8 MPa)。因此在实验的压力范围内甲醇作为压标非常合适。
- 立方氧化锆压腔 /
- 甲醇 /
- 高压 /
- 拉曼光谱 /
- 压标
Abstract: This paper mainly studies Raman spectroscopy of CH stretching vibrational mode of methanol at 2 835 cm-1 from 169.2 up to 713.8 MPa under the temperature of 301 K using cubic zirconium oxide Anvil Cell. The result shows that methanol is stable at the experimental pressure, and the Raman shift of methanol at 2 835 cm-1 shows a linear dependence with pressure. The correlation between pressure and frequency shift of the 2 835 cm-1 Raman line of methanol is described by p= -3.508 9[(p)2 835]2+135.17 (p)2 835+54.397, where 0.1
- cubic zirconium oxide anvil cell /
- methanol /
- high pressure /
- Raman spectroscopy /
- pressure gauge

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