Determination of moisture content of Gastrodia elata BI by terahertz spectroscopy
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    Abstract:

    Impersonal and normative determination of the moisture content is an important factor in monitoring the quality of the Pieces of Chinese Medicine. However, the conventional measurement method is time-consuming with low-efficiency, and cannot meet the fast, simple and in-situ requirements. In this work, the THz absorption spectra of Gastrodia elata BI with different moisture contents have been measured by Terahertz Time-Domain Spectroscopy(THz-TDS), and the obtained linear correlation between absorption coefficient and moisture content shows that THz-TDS method is expected to have potential applications for the quality inspection and determination of the moisture content in the Pieces of Chinese Medicine.

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马 品,杨玉平.运用太赫兹光谱技术检测天麻中的水分含量[J]. Journal of Terahertz Science and Electronic Information Technology ,2017,15(1):26~28

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History
  • Received:January 21,2016
  • Revised:June 29,2016
  • Adopted:
  • Online: March 07,2017
  • Published: