What is a Infrared spectrophotometer?

Infrared Spectrophotometer (English: Infrared Spectrophotometer, abbreviated as IR) is an analyzer that can detect transmitted and reflected infrared rays by irradiating a sample with infrared rays. The device mainly consists of a light source, a spectroscope, a sample, and a detector. There are two types, distributed type and interference type (Fourier transform infrared spectrophotometer FT-IR), and the interference type is widely used in recent years. Infrared absorption is related to the vibration and rotation of molecules in a sample, and analysis of the spectrum can provide information on the molecular structure. It is used specifically for the purpose of identifying molecular structures, and for qualitative and quantitative analysis of samples. It is non-destructive and can be easily measured, and can be used for various materials such as powder samples and thin films. Infrared spectrophotometer is used for functional group analysis and concentration measurement of substances. Infrared absorption is related to the partial structure of the molecule, and by analyzing the spectrum obtained at the time of measurement, it is possible to obtain information on the partial structure such as the functional groups of the molecule. Since the spectrum obtained by the infrared spectrophotometer changes its shape depending on the molecular structure and concentration contained in the substance, it is used for qualitative analysis and quantitative analysis of the substance. A micro-infrared spectrophotometer that can irradiate infrared rays locally can measure trace samples and identify foreign matter analysis in materials.

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