SONG Luolin,LIN Zhenheng,LI Xiang,et al.Detection of sodium N-cyclohexylsulfamate based onterahertz time-domain spectroscopy[J].Journal of Yanbian University,2018,44(04):356-360.
基于太赫兹时域光谱的环己基氨基磺酸钠检测
- Title:
- Detection of sodium N-cyclohexylsulfamate based on terahertz time-domain spectroscopy
- 分类号:
- O433.4
- 文献标志码:
- A
- 摘要:
- 采用太赫兹时域光谱(THz-TDS)对不同质量比例的环己基氨基磺酸钠和小麦粉混合物进行测量,获得了混合样品在0.2~1.5 THz波段的时域光谱、频率域谱、折射率谱和吸收谱.实验发现,环己基氨基磺酸钠在0.849 THz处有明显的特征吸收峰,可用于物质成分识别.分析表明,吸收峰的吸收系数与环己基氨基磺酸钠含量存在良好的线性关系,相关系数可达0.972 3.本文研究结果可为研发快速、定量、无损的食品质量安全检测设备提供理论基础.
- Abstract:
- Terahertz time-domain spectroscopy(THz-TDS)was used to measure the mixture of sodium N-cyclohexylsulfamate and wheat flour with different mass ratios. The time-domain spectra, frequency-domain spectra, refractive index spectra and absorption spectra of the mixed samples were obtained at 0.2-1.5 THz.It is found that sodium N-cyclohexylsulfamate display a distinct characteristic absorption peak at 0.849 THz, which can be used for material composition identification. There is a good linear relationship between the absorption coefficient of the absorption peak and the content of sodium N-cyclohexylsulfamate in the sample and the correlation coefficient can reach 0.972 3. The results will provide a theoretical basis for developing fast, quantitative and non-destructive testing equipment for food quality and safety.
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备注/Memo
收稿日期: 2018-09-13 作者简介: 宋骆林(1983—),男,讲师,研究方向为光电检测技术.
基金项目: 福建省自然科学基金资助项目(2018J01557); 福建省激光精密加工工程技术研究中心开放基金资助项目(2016JZA007); 福建省教育厅A类科技一般项目(JAT160439,JAT170522); 莆田学院校内项目(2016018)