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UV-Vis Spectroscopy

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UV-Vis Spectroscopy

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UV-Vis is a method that measures the intensity of light transmitted through a sample by irradiating the sample with light divided by wavelength, allowing for the determination of the sample's absorbance and transmittance.

UV-Vis is a method that measures the absorbance and transmittance of a sample by irradiating the sample with light divided by wavelength and measuring the intensity of the light that has passed through the sample. By measuring absorbance, it is possible to perform qualitative and quantitative analysis of the target components in the sample, as well as evaluate the wavelength characteristics of the sample. Additionally, transmittance measurements can assess the specific transmittance characteristics of components within the sample. - It is possible to obtain absorption and transmission spectra in the ultraviolet to visible to near-infrared regions (wavelength range approximately 190 nm to approximately 3000 nm).

Related Link - https://www.mst.or.jp/method/tabid/1222/Default.as…

basic information

Spectroscopic measurement is a method to evaluate how much light comes out in response to the light irradiated on a sample (how much light the sample absorbs). Generally, there is a relationship known as the Lambert-Beer law between the intensity of the incident light I0 and the intensity of the transmitted light I.

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Applications/Examples of results

- Qualitative and quantitative analysis of components contained in solution samples - Measurement of permeability of membrane samples - Measurement of turbidity and color in environmental water - Measurement of absorption spectra of organic components - Quantitative analysis of polysaccharides - Total nitrogen analysis and total phosphorus analysis in wastewater - Analysis of functional components - Quantitative analysis of vitamin C

Detailed information

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