Experiment Science and Technology, Volume. 22, Issue 4, 108(2024)

Exploration and Application of the Comparison Teaching Method in the Experiment Teaching of Fourier Transform Infrared Spectrum Analysis

Ting KUANG, Haijian LUO, Linlin SONG, and Dingning KE*
Author Affiliations
  • Experiment and Innovation Educational Center, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
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    Figures & Tables(6)
    • Table 1. [in Chinese]

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      Table 1. [in Chinese]

      样品状态TR-FTIR分析法ATR-FTIR分析法
      粉末适用适用
      薄膜不适用适用
      柔软聚合物不适用适用
      胶状物不适用适用
      液体适用适用
    • Table 2. [in Chinese]

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      Table 2. [in Chinese]

      ATR晶体材料光谱范围/cm−1折射率穿透深度/μm (45°,1 000 cm−1
      ZnSe4 000~6752.42.01
      Ge4 000~6504.00.66
      金刚石4 000~4002.42.01
    • Table 3. [in Chinese]

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      Table 3. [in Chinese]

      比较内容TR-FTIRATR-FTIR
      不同点光吸收方式透过全反射
      固体样品制备方式溴化钾压片法无需制备
      固体测试消耗品溴化钾
      样品放置位置透射样品架ATR晶体
      样品穿透深度量级毫米微米
      胶状样品、薄膜样品、柔软聚合物不适合适合
      样品深度与入射波长关系正比
      样品深度与入射波长对应图谱处理方式ATR高级校正
      光谱范围4 000~400 cm−1与ATR晶体有关
      相同点 ① 样品对部分红外光的选择性吸收,得到样品的透过或吸收光谱
      ② 样品的定性和定量分析方式
      ③ 适合测试固体粉末和液体样品
      ④ 除样品池外,其他光谱仪部件
      ⑤ 光谱图基本数据分析过程
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    Ting KUANG, Haijian LUO, Linlin SONG, Dingning KE. Exploration and Application of the Comparison Teaching Method in the Experiment Teaching of Fourier Transform Infrared Spectrum Analysis[J]. Experiment Science and Technology, 2024, 22(4): 108

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    Paper Information

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    Received: Mar. 24, 2023

    Accepted: --

    Published Online: Dec. 4, 2024

    The Author Email: Dingning KE (柯丁宁)

    DOI:10.12179/1672-4550.20230164

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