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Raman spectroscopy is a molecular spectroscopy technique that USES the interaction between light and matter to gain insight into the composition or properties of materials. For example, FTIR Raman spectroscopy provides information derived from the process of light scattering, while infrared spectroscopy relies on light absorption. Raman spectroscopy provides information about intramolecular and intermolecular vibrations and enhances the understanding of reactions. Both Raman and FTIR spectra provide spectra (" molecular fingerprints ") that characterize specific vibrations of molecules and are important for the identification of substances. However, Raman spectroscopy can provide more information about the lower frequency patterns and vibrations that represent the lattice and molecular backbone structures.

What is East Asia Marine Expo?

Qingdao ocean east Asia cooperation platform BBS by the department of natural resources of the People's Republic of China, shandong province people's government hosted, undertake the Qingdao people's government, on the west coast of Qingdao, new city management committee, is a major initiative to carry out the countries along the "area" landmark project, is geared to the needs of the association of south-east Asian nations (asean) and China, Japan and South Korea (10 + 3) two-way open cooperation innovation platform. Since the official launch of the platform in 2016, the Forum has been successfully held four times in a row and achieved a series of important achievements, which have aroused wide praise and positive response in East Asia and the international community.

In the field of water quality analysis, after years of research and application, has accumulated a series of mature water quality analysis method, the common enrichment method, capacity analysis, electrochemical analysis, spectrophotometry, emission spectrum analysis, fluorescence spectrometry, atomic absorption spectrum, infrared spectrum method, chromatography, etc.

With the progress of science and technology and the development of water quality monitoring technology, ultraviolet spectrum analysis technology has been widely used in environmental monitoring, biomedicine, military analysis, science and technology agriculture and other industries, its application prospect is very broad. At the same time, the analytical instruments used in ultraviolet spectrum analysis technology are gradually developing towards miniaturization, low cost and high performance. The miniaturization of analytical instruments has become one of the key problems in the development of UV spectroscopy.

Although water resources are abundant, the concept of water quality is taken as the evaluation criterion, and now the quality problem of urban water supply system and rural domestic production water is extremely urgent to decline. In the water quality monitoring, the water quality monitoring technology based on ultraviolet spectrum analysis is an important development direction in the modern environmental monitoring work, and the water quality monitoring technology based on ultraviolet spectrum analysis has significant advantages of real-time detection, strong pertinence, high accuracy and low cost.