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显微拉曼光谱在有机酸与大气单颗粒非均相反应研究中的应用

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吴玲燕, 佟胜睿, 葛茂发. 显微拉曼光谱在有机酸与大气单颗粒非均相反应研究中的应用[J]. 环境化学, 2013, 32(7): 1365-1369. doi: 10.7524/j.issn.0254-6108.2013.07.034
引用本文: 吴玲燕, 佟胜睿, 葛茂发. 显微拉曼光谱在有机酸与大气单颗粒非均相反应研究中的应用[J]. 环境化学, 2013, 32(7): 1365-1369. doi: 10.7524/j.issn.0254-6108.2013.07.034
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WU Lingyan, TONG Shengrui, GE Maofa. Heterogeneous reactions of HCOOH on individual atmospheric particle by Raman micro-spectrometry[J]. Environmental Chemistry, 2013, 32(7): 1365-1369. doi: 10.7524/j.issn.0254-6108.2013.07.034
Citation: WU Lingyan, TONG Shengrui, GE Maofa. Heterogeneous reactions of HCOOH on individual atmospheric particle by Raman micro-spectrometry[J]. Environmental Chemistry, 2013, 32(7): 1365-1369. doi: 10.7524/j.issn.0254-6108.2013.07.034
shu

显微拉曼光谱在有机酸与大气单颗粒非均相反应研究中的应用

  • 1.

    中国科学院化学研究所,北京分子科学国家实验室, 北京, 100190

  • 基金项目:

    国家青年科学基金(41105085)资助.

Heterogeneous reactions of HCOOH on individual atmospheric particle by Raman micro-spectrometry

  • 1.

    Beijing National Laboratory for Molecular Science (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China

  • Fund Project:

  • 摘要: 建立了使用显微拉曼光谱仪原位在线研究大气单颗粒表面非均相反应的方法,并将其初步用于研究不同温度下HCOOH与CaCO3的非均相反应.实验结果表明,显微拉曼光谱仪可以同时观察到反应过程中的反应产物、产物分布以及颗粒形貌变化等信息.通过对比常温和低温下的拉曼谱图,发现温度对非均相反应具有重要影响,获取了低温下甲酸气体向结晶态甲酸转变的过程.
    Abstract: A Raman micro-spectrometry method was developed to investigate heterogeneous reactions on individual particles. And the method was applied to the reaction of HCOOH on the surface of individual CaCO3 particles in the present study. The experimental results show that Raman micro-spectrometry can obtain information of chemical composition, product distribution and microscopic morphology at the same time. Through comparing the Raman spectra at room temperature and low temperature, it is found that temperature play an important role in the heterogeneous reactions. Moreover, gaseous HCOOH was observed to transform to crystalline HCOOH. The results may be useful to understand the heterogeneous reactions in the atmospheric environment.
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  • 收稿日期:  2013-02-26
吴玲燕, 佟胜睿, 葛茂发. 显微拉曼光谱在有机酸与大气单颗粒非均相反应研究中的应用[J]. 环境化学, 2013, 32(7): 1365-1369. doi: 10.7524/j.issn.0254-6108.2013.07.034
引用本文: 吴玲燕, 佟胜睿, 葛茂发. 显微拉曼光谱在有机酸与大气单颗粒非均相反应研究中的应用[J]. 环境化学, 2013, 32(7): 1365-1369. doi: 10.7524/j.issn.0254-6108.2013.07.034
shu
WU Lingyan, TONG Shengrui, GE Maofa. Heterogeneous reactions of HCOOH on individual atmospheric particle by Raman micro-spectrometry[J]. Environmental Chemistry, 2013, 32(7): 1365-1369. doi: 10.7524/j.issn.0254-6108.2013.07.034
Citation: WU Lingyan, TONG Shengrui, GE Maofa. Heterogeneous reactions of HCOOH on individual atmospheric particle by Raman micro-spectrometry[J]. Environmental Chemistry, 2013, 32(7): 1365-1369. doi: 10.7524/j.issn.0254-6108.2013.07.034
shu

显微拉曼光谱在有机酸与大气单颗粒非均相反应研究中的应用

  • 1. 中国科学院化学研究所,北京分子科学国家实验室, 北京, 100190
  • 收稿日期:  2013-02-26
基金项目:

国家青年科学基金(41105085)资助.

摘要: 建立了使用显微拉曼光谱仪原位在线研究大气单颗粒表面非均相反应的方法,并将其初步用于研究不同温度下HCOOH与CaCO3的非均相反应.实验结果表明,显微拉曼光谱仪可以同时观察到反应过程中的反应产物、产物分布以及颗粒形貌变化等信息.通过对比常温和低温下的拉曼谱图,发现温度对非均相反应具有重要影响,获取了低温下甲酸气体向结晶态甲酸转变的过程.

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