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[Chemical Knowledge]：Detection Method and Analysis Technology of Acrylonitrile

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Acrylonitrile, as an important raw material for organic synthesis, plays an important role in industrial production. Because of its toxicity and flammability, the detection and analysis of acrylonitrile is particularly important. The traditional detection methods mainly include gas chromatography, liquid chromatography and infrared spectroscopy. Gas chromatography is the most commonly used method, and acrylonitrile can be separated and quantified quickly and accurately by gas chromatography. The liquid chromatography method is suitable for the detection of acrylonitrile in water samples, and its sensitivity and accuracy have been widely recognized. The infrared spectrum law determines the content of acrylonitrile in the sample by the absorption of infrared light by the substance, which is simple and fast.

With the development of science and technology, new analytical techniques are constantly emerging, providing more options for the detection and analysis of acrylonitrile. Among them, mass spectrometry, as a high sensitivity and high resolution analysis method, is widely used in the detection of acrylonitrile. Mass spectrometry technology can not only accurately determine the molecular structure of acrylonitrile, but also detect a very small amount of target substances, with high detection sensitivity. In recent years, the application of spectroscopy in the detection of acrylonitrile has become increasingly widespread, such as Raman spectroscopy and UV-Vis spectroscopy. The emergence of these technologies has greatly enriched the detection means of acrylonitrile and improved the accuracy and efficiency of detection.

In addition to traditional detection methods and new analytical techniques, modern instruments and equipment also provide strong support for the detection and analysis of acrylonitrile. With the continuous progress of science and technology, a variety of advanced detection equipment such as atomic absorption spectrometer, electrochemical sensors have come out. These devices not only have the characteristics of high sensitivity and high precision, but also are easy to operate, fast and efficient, which greatly facilitates the detection of acrylonitrile.

It is worth noting that the detection and analysis of acrylonitrile is not only suitable for industrial production, but also of great significance in environmental monitoring and food safety. For example, the monitoring of acrylonitrile concentration in water and atmosphere can effectively prevent and control environmental pollution; while in the process of food processing, the detection of acrylonitrile residue can ensure food safety and avoid potential harm to human health.

The detection method and analysis technology of acrylonitrile are constantly developing and improving, which provides us with diversified choices. Whether it is the traditional detection means or the latest analysis technology, it provides us with a guarantee, so that we can better grasp the information of acrylonitrile, and ensure the safety of production and people's health. It is believed that with the continuous development of science and technology, the detection and analysis technology of acrylonitrile will usher in a better future.

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