Experimental study of the light source characteristics for the NH3 concentration detection
作者： Kai Zhang , Siyu Huang , Houbing Lu , Fei Li , Li Shao
DOI: 10.1016/J.IJLEO.2020.164608
关键词:
摘要: Abstract Ammonia (NH3) is the most abundant alkaline gas in atmosphere, and cause of majority secondary particles PM2.5 catalyst for formation atmospheric haze. Therefore, it great environmental significance to monitor NH3 concentration. This paper introduces principle concentration detection based on Lambert-Beer's law sets up an experimental platform. Then study characteristics Hamamatsu L9456-1 pulse xenon lamp has been carried out. The fluctuation light source, integral time source collection, average times other practical problems occurred experiment have studied carefully, then corresponding solutions put forward respectively. Finally, reasonable operating parameters obtained. results applied absorbance with different concentrations. measurement show that using obtained set working index can obtain relatively accurate absorbance, which lay a good foundation be fully prepared entire system measure accurately.
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