GC138N-MS8300 gas chromatography-mass spectrometer Introduction: The laboratory instrument GC138N-MS8300 of gas chromatography-mass spectrometry is equipped with a reproducible column temperature control and EPC gas path control system, ensuring good retention time and instrument repeatability. By using a wide temperature RF power supply and a high-precision four stage rod mass analyzer, combined with a pre four stage rod design and a high-energy conversion dynode electron multiplier, the stability and sensitivity of the instrument are improved. In addition, high-performance turbo molecular pumps and high-temperature inert ion sources further enhance the performance and durability of the system. characteristic: 1. The reproducible column temperature control process of gas chromatography can provide good retention time consistency regardless of constant temperature or programmed heating. 2. The EPC gas path control system has good accuracy in controlling the flow rate and pressure of the carrier gas, and good instrument repeatability. 3. Wide temperature RF power supply can better adapt to various laboratory environments, and the instrument performance is more stable. 4. Gas chromatography-mass spectrometry GC138N-MS8300 high-precision all metal quadrupole ensures good resolution. 5. Gas chromatography-mass spectrometry laboratory instrument with pre quadrupole mass analyzer, the quadrupole has stronger anti pollution ability. 6. An electron multiplier with a high-energy conversion anode ensures excellent sensitivity. 7. Adopting high-performance turbo molecular pump, with high pumping speed, stable operation, and long-term guarantee of high vacuum environment for mass spectrometry. 8. The high-temperature inert ion source has high ionization efficiency, reduces pollution, is equipped with dual filaments, and provides double the usage time. Technical parameters: 1. Gas phase part 1.1 Program heating retention time repeatability (RSD): ≤ 0.1% (measured 0.04%); 1.2 Retention time difference: 0.005min; 1.3 Excluding 6 independent heating zones, 2 injection ports, 2 detectors, and 2 auxiliary heating zones of the column box. The maximum temperature in the auxiliary heating zone is 400 ℃; 1.4 Split/Non Split (S/SL) Capillary Injection Port 1.4.1 Maximum operating temperature: 400 ℃; 1.4.2 Pressure setting range: 0~700kPa; 1.4.3 Total flow setting range: 0~500 mL/min (N2); 1.4.4 Maximum diversion ratio: 600:1; 1.4.5 Voltage Control Modes: Constant Current, Constant Voltage, Program Boosting, Program Boosting, Pulse Pressure; 1.5 column box 1.5.1 Internal dimensions: 280mm × 310mm × 160mm; 1.5.2 Cooling method: rear door opening+variable frequency motor; 1.5.3 Operating temperature: 4 ℃~450 ℃ above room temperature; 1.5.4 Temperature setting resolution: ± 0.1 ℃; 1.5.5 Maximum heating rate of column box: 120 ℃/min; 1.5.6 Maximum running time: 999 minutes; 1.5.7 Change in column temperature for every 1 ℃ change in room temperature:<0.01 ℃; 1.5.8 Column box cooling time: from 250 ℃ to 50 ℃ ≤ 4 minutes; 2. Mass spectrometry section 2.1 Environmental temperature: 15-35 ℃; 2.2 Relative humidity: ≤ 75%; 2.3 Applicable power supply: 220V (± 10%), 50Hz (± 2%); 2.4 Ion source 2.4.1 Ion source material: Inert ceramic ion source, equipped with dual filaments; The maximum filament current is 400 μ A; 2.4.2 Sensitivity: EI Sensitivity: 1 pg OFN full scan mode S/N: 1000:1; 2.4.3 Ionization energy: 10-100eV; 2.4.4 Interface temperature: adjustable from 50 ℃ to 350 ℃, with an accuracy better than 0.1 ℃. The mass spectrometer is temperature controlled and does not occupy the auxiliary heating area of the gas chromatograph; 2.4.5 Ion source temperature: 50 ℃ -350 ℃; 2.5 Quality Analyzer 2.5.1 Quality analyzer: high-precision inert metal quadrupole with pre-set rod; 2.5.2 Quadrupole rod temperature: Quality stability can be ensured without temperature control; 2.5.3 Quality range: 1.5-1050 amu, software can set and detect; 2.5.4 Quality accuracy: 0.1u; 2.5.5 Quality axis stability: better than 0.1 amu/48 h; 2.5.6 Scanning methods: full scan (SCAN), selective ion monitoring (SIM), full scan, and selective ion synchronous monitoring; 2.5.7 Selecting ion monitoring mode (SIM) allows unlimited grouping; 2.6 Detector 2.6.1 Detector: Long life 13 level discontinuous dynode electron multiplier; 2.6.2 Maximum scanning speed: 20000 amu/s, with adjustable speed throughout the entire process; 2.6.3 Dynamic range: 106; 2.6.4 Peak area reproducibility; Automatic injection RSD ≤ 5%; 2.6.5 Detection limit (IDL):<10fg; Octafluoronaphthalene, EI 2.7 Vacuum system: Mechanical pump pumping speed of 4m3/h; Configure high-performance turbo molecular pump with a pumping speed of 250 L/s; 2.8 Maximum allowable chromatographic column flow rate 5
Introduction: The laboratory instrument GC138N-MS8300 of gas chromatography-mass spectrometry is equipped with a reproducible column temperature control and EPC gas path control system, ensuring good retention time and instrument repeatability. By using a wide temperature RF power supply and a high-precision four stage rod mass analyzer, combined with a pre four stage rod design and a high-energy conversion dynode electron multiplier, the stability and sensitivity of the instrument are improved. In addition, high-performance turbo molecular pumps and high-temperature inert ion sources further enhance the performance and durability of the system.
