Analysis and Testing Agency

Nanjing Aikang Quanxin Analysis and Testing Center now possesses domestically advanced high-resolution 400M nuclear magnetic resonance spectrometers, as well as a full set of Agilent series large-scale analytical instruments including liquid chromatography-mass spectrometers, gas chromatography-mass spectrometers, high-performance liquid chromatographs, gas chromatographs, and more. Whether you are in product development or after-sales service, Aikang Quanxin Analysis and Testing Center will provide you with high-quality services.

What are the chemical testing instruments?

Chemical testing instruments refer to equipment used for various analytical tests and inspections such as chemical analysis, biochemical analysis, and physical analysis. With the continuous advancement of the chemical industry, chemical testing instruments have been widely applied. This article will introduce the currently common chemical testing instruments from aspects such as their working principles, functions, and uses.

I. Chromatograph

A chromatograph is an analytical instrument capable of separating compounds and performing quantitative analysis. Its main principle involves separating complex mixtures into individual components, analyzing them in a column, and then using detectors and data acquisition to ultimately obtain analytical results. Chromatographs are widely used in industries such as pharmaceuticals, chemicals, pesticides, and food.

II. Mass Spectrometer

A mass spectrometer is an analytical instrument capable of revealing the structure, composition, and quantity of compounds. Its main principle involves ionizing compounds and analyzing molecular fragments to obtain the mass spectrum of the compounds. Mass spectrometers are widely used in fields such as chemistry, medicine, and environmental protection.

III. Infrared Spectrometer

An infrared spectrometer is an analytical instrument capable of revealing the molecular structures of organic compounds and inorganic substances. Its main principle involves obtaining spectral information of substances through their absorption of infrared light. Infrared spectrometers are widely used in fields such as organic chemistry, inorganic chemistry, and biochemistry.

IV. Nuclear Magnetic Resonance (NMR)

Nuclear magnetic resonance is an analytical method that detects the molecular structure and properties of substances through the spin motion of atomic nuclei. Its main principle involves placing a sample in a strong magnetic field and exciting the sample during analysis to generate a signal. NMR spectrometers are widely used in fields such as drug research, chemical analysis, and environmental protection.

V. Atomic Absorption Spectrometer

An atomic absorption spectrometer is an analytical instrument used to determine the content of certain metal elements in substances. Its main principle involves adding certain metal elements from the analytical substance during chemical analysis and then comparing the sample spectrum with a standard spectrum to determine the concentration of the elements. Atomic absorption spectrometers are primarily used in fields such as metallurgy, mining, and environmental protection.

VI. Raman Spectrometer

A Raman spectrometer is an analytical instrument that detects the vibrational states of substances through light scattering. Its main principle involves irradiating a compound with laser light and then obtaining Raman spectral information of the substance through the light scattering patterns formed by interaction with the laser. Raman spectrometers are widely used in fields such as chemical analysis, biomedicine, and environmental protection.

In summary, there is a wide variety of chemical testing instruments, each with different working principles, analytical ranges, and uses. In the future chemical industry, with continuous technological advancements and industrial development, the application of chemical testing instruments will become even more widespread, bringing greater contributions to various industries. (Source: Experiment and Analysis)

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