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8 March 2004 Study on the online operation of microspectrometer and liquid drop analyzer
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Proceedings Volume 5272, Industrial and Highway Sensors Technology; (2004)
Event: Optical Technologies for Industrial, Environmental, and Biological Sensing, 2003, Providence, RI, United States
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.
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Zurong Qiu, Xinyu Guo II, Guoxiong Zhang, Xingfei Li, Haixiu Chen, and Qing Song "Study on the online operation of microspectrometer and liquid drop analyzer", Proc. SPIE 5272, Industrial and Highway Sensors Technology, (8 March 2004);

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