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Water quality detection based on UV-Vis and NIR spectroscopy: a review

Journal

APPLIED SPECTROSCOPY REVIEWS
Volume -, Issue -, Pages -

Publisher

TAYLOR & FRANCIS INC
DOI: 10.1080/05704928.2023.2294458

Keywords

UV-vis spectroscopy; NIR spectroscopy; water quality; contamination detection; spectral analysis

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Water pollution poses a significant threat to public health and social stability due to rapid economic development and urbanization. Therefore, accurate and rapid monitoring of water quality is crucial. Spectral analysis technology, as an environmentally friendly, nondestructive, and efficient detection technology, provides an effective tool for qualitative analysis and quantitative detection of pollutants in the water environment. This paper studies the principles of UV-Vis spectroscopy and near-infrared (NIR) spectroscopy and their applications in water quality detection. It discusses the use of UV-Vis and NIR spectroscopy techniques for detecting various water quality parameters.
Due to rapid economic development and urbanization, water pollution has posed a significant threat to public health and social stability. Therefore, accurate and rapid monitoring of water quality becomes particularly important and significant. As an environmentally friendly, nondestructive and efficient detection technology, spectral analysis technology provides an effective tool for qualitative analysis and quantitative detection of pollutants in water environment. In this paper, the principle of UV-Vis spectroscopy and near-infrared (NIR) spectroscopy and their application in water quality detection are studied. UV-Vis and NIR spectroscopy techniques for the detection of many kinds of water quality parameters are discussed according to the classification of chemical oxygen demand, organic matter, microbial pollutants, heavy metals and emerging pollutants. The information of light source in spectroscopy measurement and the algorithms used in spectral data processing are summarized. Finally, the application tendency of spectrum technology in water pollution detection is prospected.

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