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基于表面增强拉曼光谱的水中芳香胺类污染物现场快速检测技术

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渠陆陆, 李大伟, 翟文磊, 龙亿涛. 基于表面增强拉曼光谱的水中芳香胺类污染物现场快速检测技术[J]. 环境化学, 2011, 30(8): 1486-1492.
引用本文: 渠陆陆, 李大伟, 翟文磊, 龙亿涛. 基于表面增强拉曼光谱的水中芳香胺类污染物现场快速检测技术[J]. 环境化学, 2011, 30(8): 1486-1492.
shu
QU Lulu, LI Dawei, ZHAI Wenlei, LONG Yitao. RAPID ON-SITE DETECTION OF AROMATIC AMINES IN WATER BY SURFACE-ENHANCED RAMAN SPECTROMETRY[J]. Environmental Chemistry, 2011, 30(8): 1486-1492.
Citation: QU Lulu, LI Dawei, ZHAI Wenlei, LONG Yitao. RAPID ON-SITE DETECTION OF AROMATIC AMINES IN WATER BY SURFACE-ENHANCED RAMAN SPECTROMETRY[J]. Environmental Chemistry, 2011, 30(8): 1486-1492.
shu

基于表面增强拉曼光谱的水中芳香胺类污染物现场快速检测技术

  • 1.

    华东理工大学上海市功能性材料化学重点实验室, 上海, 200237

  • 基金项目:

    国家高技术研究发展计划(863)项目 (2008AA06A406)

    国家自然科学基金青年基金项目(21007015)

    上海市博士后基金项目(09R21411700)资助.

RAPID ON-SITE DETECTION OF AROMATIC AMINES IN WATER BY SURFACE-ENHANCED RAMAN SPECTROMETRY

  • 1.

    Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai, 200237, China

  • Fund Project:

  • 摘要: 利用表面增强拉曼光谱(SERS)对水中芳香胺类污染物进行检测分析. 通过化学法合成具有SERS活性的银胶, 紫外可见光谱、动态光散射及扫描电子显微镜表征显示制备的银胶分散性良好、粒径均匀; 选用背景散射弱、价格便宜的薄层色谱板为承载基底, 利用所制备的银胶并结合便携式拉曼光谱仪对芳香胺类污染水样进行现场快速检测, 结果显示, 适当的胶体浓度和团聚剂浓度可提高检测效果, 优化条件下的部分芳香胺检测限可达5.0×10-6 mol·L-1. 研究表明, SERS技术可用于水中芳香胺的现场快速检测, 有望成为一种新的水污染应急分析手段.
    Abstract: Aromatic amines water were qualitatively detected using surface-enhanced Raman spectroscopy (SERS). SERS-active silver colloids were fabricated via wet chemical synthesis and characterized by UV-Vis spectro-photometry, dynamic light scattering and scanning electron microscopy (SEM), which revealed good dispersibility and uniformity of silver colloids. Thin-layer chromatography (TLC) plates were coated with silver colloids as SERS substrates. A portable Raman spectrometer was employed for rapid on-site detection of aromatic amines in water. In addition, the results showed that appropriate concentration of silver colloids and NaCl improved SERS detection, and the detection limit of some aromatic amines was as low as 5�10-6 mol·L-1 under the optimum condition. This indicates SERS can be used for the rapid on-site detection of aromatic amines in water.
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  • 收稿日期:  2010-10-21
渠陆陆, 李大伟, 翟文磊, 龙亿涛. 基于表面增强拉曼光谱的水中芳香胺类污染物现场快速检测技术[J]. 环境化学, 2011, 30(8): 1486-1492.
引用本文: 渠陆陆, 李大伟, 翟文磊, 龙亿涛. 基于表面增强拉曼光谱的水中芳香胺类污染物现场快速检测技术[J]. 环境化学, 2011, 30(8): 1486-1492.
shu
QU Lulu, LI Dawei, ZHAI Wenlei, LONG Yitao. RAPID ON-SITE DETECTION OF AROMATIC AMINES IN WATER BY SURFACE-ENHANCED RAMAN SPECTROMETRY[J]. Environmental Chemistry, 2011, 30(8): 1486-1492.
Citation: QU Lulu, LI Dawei, ZHAI Wenlei, LONG Yitao. RAPID ON-SITE DETECTION OF AROMATIC AMINES IN WATER BY SURFACE-ENHANCED RAMAN SPECTROMETRY[J]. Environmental Chemistry, 2011, 30(8): 1486-1492.
shu

基于表面增强拉曼光谱的水中芳香胺类污染物现场快速检测技术

  • 1. 华东理工大学上海市功能性材料化学重点实验室, 上海, 200237
  • 收稿日期:  2010-10-21
基金项目:

国家高技术研究发展计划(863)项目 (2008AA06A406)

国家自然科学基金青年基金项目(21007015)

上海市博士后基金项目(09R21411700)资助.

摘要: 利用表面增强拉曼光谱(SERS)对水中芳香胺类污染物进行检测分析. 通过化学法合成具有SERS活性的银胶, 紫外可见光谱、动态光散射及扫描电子显微镜表征显示制备的银胶分散性良好、粒径均匀; 选用背景散射弱、价格便宜的薄层色谱板为承载基底, 利用所制备的银胶并结合便携式拉曼光谱仪对芳香胺类污染水样进行现场快速检测, 结果显示, 适当的胶体浓度和团聚剂浓度可提高检测效果, 优化条件下的部分芳香胺检测限可达5.0×10-6 mol·L-1. 研究表明, SERS技术可用于水中芳香胺的现场快速检测, 有望成为一种新的水污染应急分析手段.

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