GC-MS 7220 gas chromatography-mass spectrometer is an efficient analytical instrument that combines the separation ability of gas chromatography with the qualitative and quantitative analysis ability of mass spectrometry, especially suitable for the analysis of volatile and semi volatile compounds in complex samples. Here are some of the main performance advantages and technical specifications of the instrument:
High performance vacuum system: equipped with mechanical pumps and high-performance turbo molecular pumps, with a pumping speed of 250L/s, ensuring high sensitivity and stable analysis results.
Ion source: Made of inert ceramic material, equipped with dual filaments, providing EI sensitivity of 1 pg OFN S/N 800:1 or higher, with high sensitivity and low detection limit.
Quality analyzer: High precision metal quadrupole with pre-set rod, with a mass range of 1.5-1250 amu and a mass axis stability of better than 0.10 amu/48 hours, ensuring accurate quality analysis.
Detector: Long life 13 level discontinuous dynode electron multiplier, maximum scanning speed of 10000 amu/s, dynamic range of 106, peak area reproducibility less than 2% RSD, ensuring data accuracy and repeatability.
Gas chromatograph parameters: The column box has a wide temperature range, from 5 ℃ above room temperature to 450 ℃, with a 6-stage 7-platform programmed heating capability, a maximum heating rate of 120 ℃/min, and a rapid cooling time of less than 5 minutes, ensuring efficient separation of samples.
Software support: Full Chinese integrated control, supporting synchronous scanning and alternating scanning functions to improve analysis efficiency. The software can automatically select the characteristic ions of the target compound based on the full scan data, without the need for manual input, simplifying the operation process.
Scope of application: GC-MS 7220 is suitable for environmental, emergency safety, food and drug, petrochemical, industrial processes, scientific research and other fields. It can analyze various organic compounds, including high molecular weight samples such as polybrominated biphenyls and polybrominated diphenyl ethers.
Maintenance and operation: The instrument is designed with detachable and easy to maintain components such as ion source, filament, lens, pre quadrupole, and detector, making it convenient for users to clean and maintain.
Automatic sampler configuration: 16 position and 152 position liquid automatic samplers can be configured, compatible with mainstream manufacturers' thermal analysis, headspace, blow and capture technologies, improving the automation level of sample processing.
The GC-MS 7220 gas chromatography-mass spectrometer has become an ideal choice for laboratory analysis of volatile and semi volatile compounds due to its high sensitivity, wide mass range, excellent reproducibility, and powerful software support.
