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Where is the handheld Raman spectrometer applied?
Handheld Raman analyzer system can be applied to many aspects such as material identification, biochemical analysis, food and drug testing, environmental monitoring, dangerous goods testing, and jewelry analysis and analysis.
The Raman probe is a phenomenon in which when a strong monochromatic light illuminates a transparent substance, the frequency is changed by scattering by the substance molecules, and the frequency is determined by the characteristics of the scattering substance. Raman spectroscopy is the result of the superposition of the vibrational energy or rotational energy of a molecule and the photon energy when an incident photon collides with a molecule. Raman spectroscopy can be used to transfer the molecular energy spectrum in the infrared region to the visible region for observation. Therefore, Raman spectroscopy, as a supplement to infrared spectroscopy, is a powerful weapon for studying molecular structure.
In recent years, the rapid development of laser measure has brought about a great change in Raman spectroscopy. The modular spectrometer is moving from large Raman spectroscopy to portable Raman spectroscopy, from large laboratories to civilian and commercial.
The following are several application examples for Raman spectrometers:
Case 1: Material Analysis - Raman Analysis of Crystallization Rate of Silicon Film.
The study of silicon thin film materials is of great significance for improving the solar cell production process. Exploring the crystallization characteristics of silicon thin films can help improve the photoelectric conversion efficiency of the battery.
Case 2: US FDA Heparin Sodium Purity Test.
Heparin is currently the most effective and clinically most used anticoagulant in the world, mainly used in cardiovascular and cerebrovascular diseases and hemodialysis treatment. The heparin sodium drug substance is the only active ingredient of the standard heparin preparation. The United States is the largest market for heparin preparations. In 2008, there was a serious incident in which a heparin sodium API imported from China was contaminated with chondroitin sulfate (OSCS), causing several deaths. Raman spectroscopy played an important role in determining the composition of pollutants at the time. Several major contaminants of heparin sodium can be detected by Raman spectroscopy. Optosky's handheld spectrometer, ATP6500, has detected heparin in Brazil.
Case 3: Identification of Counterfeit Drugs - Rapid Identify the Trueness of Domperidone Tablets.
Domperidone tablets are porphyrins, a common drug that enhances gastric motility and aids digestion. There are many counterfeit drugs on the market, which can be quickly screened by portable Raman spectrometer. The identification time of each sample is less than 20s and the correct rate is 100%.
Case 4: Food Testing - Measuring Melamine Content.
There is no need to say anything about the melamine incident. Raman spectroscopy can detect samples containing very small amounts of melamine to ensure the factory inspection of dairy products.
Case 5: Gem Identification.
There are many kinds of gemstones on the market. There are many people who use gems to confuse the truth and fish. Our Raman system, which is specifically designed to identify gemstones, contains map data for many types of gemstones. It is easy to distinguish between diamonds and zircons, sapphires, garnets, and distinguishes the grade of jade.
Case 6: Forensic Analysis.
The portable Raman spectroscopy system can be applied to forensic field analysis and can be used to test drug raw materials.
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