1. Key Laboratory of Fundamental Science on Micro/Nano-Device and System Technology , Chongqing University, Chongqing 400030, China 2. Microsystem Research Center of Chongqing University, Chongqing 400030, China 3. College of Science, China Three Gorge University, Yichang 443002, China
Abstract:The water quality monitoring technology based on ultraviolet spectrum analysis has the characteristics of small volume, low cost, and no secondary pollution, and it doesn’t need any reagent and sample pretreatment. On account of these characteristics, the direct ultra-violet technology has remarkable superiority over traditional technologies when applied in online monitoring of drinking water, surface water and industrial wastewater, and it has become an important development tendency of modern water monitoring technologies. The principle, characteristics, present situation and development trend of modern water quality monitoring technology based on ultra-violet spectrum analysis were introduced, and the key technical problems were further discussed in this paper.
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