Assess the ability of detecting low concentration analyte with near-infrared spectroscopy based on dynamic enrichment
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- 作者：Xuan Zhanga ; Yiping Dua ; ; Peijin Tonga ; Wei Lia ; Jibran Iqbalb ; Ting Wua ; Huilian Hua ; Weibing Zhanga
- 关键词：Kinetic modeling ; Fluidized bed ; Liquid film diffusion ; Near-infrared diffuse reflectance spectroscopy (NIRDRS) ; Detection limit ; Dynamic adsorption
- 刊名：Chemometrics and Intelligent Laboratory Systems
- 出版年：15 May 2014
- 年：2014
- 卷：134
- 期：Complete
- 页码：58-66
- 全文大小：699 K
文摘
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A fluidized bed device is used to rapidly pre-concentrate analyte before NIRDRS.
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A kinetic model based on liquid film diffusion is built to show adsorption process.
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An equation is obtained to assess the detection ability depending on kinetic model.
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NIRDRS based on enrichment technique has potential ability for ppm-level analysis.