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[Chemical Knowledge]：Detection Methods and Analytical Techniques of Butanediol

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Butylene glycol detection method

Butanediol is a commonly used organic compound, which has a wide range of applications in chemical industry, medicine and other fields. In order to ensure the quality and safety of butanediol, it needs to be effectively detected and analyzed. The following will introduce several common butanediol detection methods:

Gas Chromatography (GC):

Gas chromatography is a commonly used method for the detection of butanediol, and its principle is to use a gas chromatograph to separate and detect samples. The sample was injected into a gas chromatograph, and then separated by a chromatographic column. Finally, a detector was used for quantitative analysis of butanediol. The method has the characteristics of high sensitivity and good resolution, and is suitable for the accurate determination of the content of butanediol.

High performance liquid chromatography (HPLC):

High performance liquid chromatography is another common method for the detection of butanediol, the principle of which is to use high performance liquid chromatography to separate and detect samples. The sample is injected into the chromatographic column, then the sample is separated by flow, and finally the butanediol is quantitatively analyzed by the detector. The method has the advantages of simple operation and fast analysis speed, and is suitable for the rapid determination of the content of butanediol.

Infrared spectroscopy (IR):

Infrared spectroscopy is a non-destructive method for the detection of butanediol, the principle of which is to scan and detect the sample using an infrared spectrometer. The sample was placed in an infrared spectrometer, and then the butanediol was qualitatively and quantitatively analyzed by infrared spectrogram. The method has the characteristics of fast detection speed and low sample consumption, and is suitable for rapid screening of butanediol content.

The above are several common butanediol detection methods. Each method has its own characteristics and scope of application. Researchers and practitioners can choose appropriate methods for detection and analysis according to actual needs.

Butanediol Analysis Techniques

In addition to common detection methods, there are some advanced butanediol analysis techniques that can further improve the accuracy and efficiency of detection. Several advanced butanediol analysis techniques are described below:

Mass Spectrometry (MS):

Hyphenated mass spectrometry (MS) is a high sensitivity analysis technique of butanediol. The principle is to combine gas chromatography or high performance liquid chromatography with mass spectrometry to detect and analyze samples by mass spectrometry. The technology has the characteristics of high detection sensitivity and fast analysis speed, and is suitable for the detection of very low concentration of butanediol content.

Nuclear Magnetic Resonance (NMR):

Nuclear magnetic resonance (NMR) is a non-destructive butanediol analysis technique, the principle of which is to scan and detect samples using a nuclear magnetic resonance instrument. The structural information and content data of butanediol can be obtained by analyzing the nuclear magnetic resonance spectrum. The technology has the advantages of no damage to the sample, accurate and reliable data, and is suitable for structural identification and quantitative analysis of butanediol.

Electrochemical method (EC):

Electrochemical method is a fast and accurate analysis technology of butanediol. Its principle is to use electrochemical instrument to carry out electrochemical reaction on the sample, and to detect the content of butanediol by measuring the current or voltage change. The technology has the characteristics of simple operation and rapid results, and is suitable for real-time monitoring of butanediol content.

The above are several advanced butanediol analysis technologies, each of which has its unique advantages and scope of application, and the appropriate technology can be selected for analysis and research according to actual needs.

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