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[Chemical Knowledge]：Detection Methods and Analytical Techniques of Aromatic Compounds

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As an important class of chemicals, aromatic compounds play an important role in our daily life and industrial production. Although they are widely used in many aspects, there are also some risks and challenges. Therefore, how to accurately and quickly detect and analyze aromatic compounds has become one of the focuses of scientific research workers and related industries.

Aromatic compounds mainly include benzene, toluene, xylene, styrene and other members, which have stable aromatic ring structure and special physical and chemical properties, so they have attracted much attention in the monitoring and analysis of environmental pollution, food safety, medicine and other fields. The sources of aromatic compounds pollution in the environment include industrial wastewater, waste gas, domestic sewage, and production emissions in the fields of petroleum and chemical industries. Their existence will not only affect the ecological environment, but also may cause potential risks to human health.

In order to effectively monitor and control the emission and concentration of aromatic compounds, scientists have developed a variety of detection methods and analysis techniques. Among them, gas chromatography-mass spectrometry (GC-MS) is a commonly used analytical method, which has the advantages of high sensitivity, high resolution and high accuracy by separating and identifying the compounds in the sample, and is widely used in the field of environmental monitoring and food safety. Liquid chromatography-mass spectrometry (LC-MS) is also widely used in drug metabolism research, environmental pollutants detection and other fields, with the advantages of wide detection range and high sensitivity.

In addition to the traditional chromatography-mass spectrometry technology, in recent years, with the development of nanotechnology, biotechnology and other emerging technologies, the detection methods of aromatic compounds are constantly innovating and improving. As a new type of functional materials, nanomaterials have been widely used in the preparation of chemical sensors because of their special surface properties and high specific surface area. Chemical sensors based on nanomaterials can achieve high sensitivity detection of aromatic compounds, and have the advantages of fast response and low cost, which provide new solutions for environmental monitoring and medical diagnosis.

Biosensing technology has also become one of the research hotspots in the detection of aromatic compounds. Using the selective recognition and reaction of specific enzymes or microorganisms in organisms to aromatic compounds, combined with the knowledge of modern biology, biochemistry and other disciplines, a series of efficient and rapid biosensors have been developed. These biosensors can not only realize on-line monitoring of aromatic compounds in environmental monitoring, but also play an important role in the fields of medical diagnosis and biopharmaceuticals.

The detection methods and analytical techniques of aromatic compounds have great significance and broad application prospects in the fields of environmental protection, food safety, medicine and health. With the continuous progress and innovation of science and technology, it is believed that in the near future, we will be able to monitor and analyze aromatic compounds more accurately and quickly, and make greater contributions to the construction of a clean and healthy social environment.

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