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Proceedings Paper

Study on the online operation of microspectrometer and liquid drop analyzer
Author(s): Zurong Qiu; Xinyu Guo; Guoxiong Zhang; Xingfei Li; Haixiu Chen; Qing Song
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Paper Abstract

An on-line operation of micro-spectrometer and liquid drop analyzer is proposed in this paper. Comparing with a full spectral range spectrometer system, a micro-spectrometer has narrow spectral range that results in its inefficiency or inability in qualitative analysis of a mixed liquid since more than one function group of the mixed liquid might cause a peak or valley in the spectrogram at almost the same wavelength. A liquid drop analyzer (LDA) is an instrument that detects the characters of a liquid by monitoring its drop forming process. The LDA gives a fingerprint that is unique for certain liquid due to its specific chemical, physical and mechanical characters. An approach of combining micro-spectrometer with a fiber drop analyzer, by which a virtual 3D liquid fingerprint is formed, is described and it functions like a full range spectrum. The signals obtained from the micro-spectrometer and liquid drop analyzer, the method of on-line operation and database setting up, the experimental device and test results are described and discussed in the paper.

Paper Details

Date Published: 8 March 2004
PDF: 11 pages
Proc. SPIE 5272, Industrial and Highway Sensors Technology, (8 March 2004); doi: 10.1117/12.519423
Show Author Affiliations
Zurong Qiu, Tianjin Univ. (China)
Xinyu Guo, Tianjin Univ. (China)
Guoxiong Zhang, Tianjin Univ. (China)
Xingfei Li, Tianjin Univ. (China)
Haixiu Chen, Tianjin Univ. (China)
Qing Song, Tianjin Univ. (China)


Published in SPIE Proceedings Vol. 5272:
Industrial and Highway Sensors Technology
Brian Culshaw; Michael A. Marcus; John P. Dakin; Samuel David Crossley; Helmut E. Knee, Editor(s)

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