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[Chemical Knowledge]：Detection Methods and Analytical Techniques of 1,3-Propanediol

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As an important organic compound, 1,3-propanediol is widely used in industrial production and medical field. In order to ensure the quality of products and the accuracy of clinical diagnosis, it is particularly important to detect 1,3-propanediol rapidly and accurately. With the continuous progress of science and technology, more and more detection methods and analysis techniques have been introduced into the detection field of 1,3-propanediol.

Among the detection methods of 1,3-propanediol, gas chromatography (GC) is a commonly used and reliable technique. This method is quantified by evaporating the sample into a gaseous state, then separating it in a chromatographic column, and finally detecting the signal intensity of each component by a detector. Compared with the traditional liquid chromatography, gas chromatography has the advantages of high separation efficiency, fast analysis speed and high detection sensitivity, and is suitable for the analysis of 1,3-propanediol in various complex mixtures.

Liquid chromatography (HPLC) is also a common method for the detection of 1,3-propanediol. The method uses the different distribution coefficients of different components in the stationary phase to achieve separation, and quantitatively analyzes the absorption spectrum or fluorescence signal of the outflow solution. Liquid chromatography has the characteristics of good separation effect and wide applicability, especially for the determination of 1,3-propanediol in various liquid samples.

In addition to the traditional chromatography, in recent years, spectroscopic techniques have been gradually applied in the detection of 1,3-propanediol. Infrared spectroscopy (IR) and Raman spectroscopy (Raman) are used to detect the interaction between the sample and specific wavelength light, so as to obtain the molecular structure information of the sample, and then realize the detection and quantitative analysis of 1,3-propanediol. These spectroscopic techniques have the advantages of no sample processing, fast and non-destructive, and have broad application prospects in the quality control of food, medicine and other fields.

Biosensor technology is also one of the hot spots in the field of 1,3-propanediol detection. Biosensors use specific recognition and binding between biomolecules and target substances to achieve quantitative detection of target substances by converting them into electrical signals or optical signals. Biosensors based on enzymes, antibodies and other biomolecules have the characteristics of high sensitivity and good selectivity, which can accurately detect the concentration of 1,3-propanediol in complex sample matrix, and are widely used in food safety, environmental monitoring and other fields.

With the continuous progress of science and technology, the detection method and analysis technology of 1,3-propanediol are constantly innovating and improving. The application of various advanced detection technologies provides strong support for ensuring the quality of industrial production and the accuracy of medical diagnosis, and also injects new vitality into the development of related fields. I believe that with the continuous development of science and technology, 1,3-propylene glycol detection technology will usher in a better future.

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