[1]宋骆林,林振衡,李响,等.基于太赫兹时域光谱的环己基氨基磺酸钠检测[J].延边大学学报(自然科学版),2018,44(04):356-360.
　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.
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基于太赫兹时域光谱的环己基氨基磺酸钠检测

《延边大学学报(自然科学版)》[ISSN:1004-4353/CN:22-1191/N] 卷: 第44卷 期数: 2018年04期 页码: 356-360 栏目: 应用科学研究 出版日期: 2018-12-30
Title:
Detection of sodium N-cyclohexylsulfamate based on terahertz time-domain spectroscopy
作者:
宋骆林1; 2;  林振衡1; 2;  李响1;  黄永华1
( 1.莆田学院 机电工程学院, 福建 莆田 351100; 2.现代精密测量与激光无损检测福建省高校重点实验室, 福建 莆田 351100 )
Author(s):
SONG Luolin1; 2;  LIN Zhenheng1; 2;  LI Xiang1;  HUANG Yonghua1
( 1.School of Mechanical and Electrical Engineering, Putian University, Putian 351100, China; 2.Key Laboratory of Modern Precision Measurement and Laser Nondestructive Testing, Universities of Fujian Province, Putian 351100, China )
关键词:
环己基氨基磺酸钠;  太赫兹波;  吸收系数;  食品安全
Keywords:
sodium N-cyclohexylsulfamate;  THz wave;  absorption coefficient;  food security
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)

更新日期/Last Update: 2018-12-30