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GC-MS 7220
GC-MS 7220 is a high-performance single quadrupole gas chromatograph developed independently by Shenzhen Junhuiteng Technology Co., Ltd. The detection limit is better than 10-4g, reaching the mainstream level of similar products in the world. It can be widely used in industrial manufacturing, chemical raw materials, environmental monitoring, scientific research and other industries.
GC-MS is the effective separation of a mixture using chromatography, followed by mass spectrometry identification. It is a strong combination, where one plus one is greater than two. Gas chromatography-mass spectrometry (GC-MS) combines the advantages of efficient separation by chromatography and high sensitivity and strong qualitative specificity by mass spectrometry, and is widely used for qualitative and quantitative analysis of organic compounds.
Product Information
Product Features
- Adopting a high-performance high-speed turbo molecular pump, the ion source, quadrupole, and detector are separated into two independent chambers, maintaining an excellent vacuum environment for the quadrupole and detector, minimizing ion loss at the quadrupole, reducing background interference, and improving detection sensitivity and stability.
- MS 7220， The quality range is 1.5-1250amu, leading the industry. Satisfy the detection of high molecular weight samples such as polybrominated biphenyls and polybrominated diphenyl ethers.
- High sensitivity. 7220 GCMS 1pg octafluoronaphthalene m/z272 signal-to-noise ratio 800:1, instrument detection limit better than 10fg, reaching the level of imported instruments.
- The gas chromatography electron pressure accuracy is 0.01psi, the temperature control accuracy is 0.1 ℃, the high-precision quadrupole and long-life electron multiplier jointly ensure the retention time repeatability is better than 0.02%, and the peak area repeatability is better than 1%, which is internationally first-class.
- Equipped with synchronous scanning function, it can simultaneously obtain scan and sim data for one injection test, improving analysis efficiency; Equipped with alternating scanning function to scan and sim alternately, expanding analysis capabilities.
- Turning off the filament and electron multiplier during operation can avoid solvents or other easily saturated substances that may peak at intermediate times.
- Cylindrical ion source lens group, pin type electrode, easy to disassemble, convenient for cleaning and maintenance, ceramic insulation component, uniform temperature, high temperature resistance, ultra clean, up to 350 ℃, can be baked at high temperature, anti pollution. Feedback on the voltage status of the ion source lens for easy viewing.
- Equipped with an ion source observation window, it can intuitively determine the state of the filament. Integrated control of mass spectrometer and gas chromatograph in Chinese; One click shutdown; Chromatographic flow monitoring; Chromatography gas cut-off, automatic cooling protection for mass spectrometry ion source and transmission line; Real time monitoring of molecular pump speed and current, with abnormal prompts.
- 24 bit automatic sampler can be configured, compatible with mainstream manufacturers’ thermal analysis, headspace, and blowdown capture.
Scope of application
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