Gas chromatography-mass spectrometry GCMS-2024

Gas chromatography-mass spectrometry GCMS-2024Parameters and characteristics

1. Injection port temperature: The upper temperature limit is 450 ° C, and any temperature point can be controlled;

2. Pressure setting range: 0-100 Psi, accuracy 0.03Psi;

3. Pressure control mode: electronic pressure control, supporting constant pressure and constant current;

4. Split mode: Split and non split injection ports, supporting a split ratio of 1000:1;

5. Column temperature box operating temperature: room temperature+4 ° C~450 ° C;

6. Column box heating rate: can reach 120 ° C/min (column box);

7. Platform warming: Multi stage program warming up;

8. Ionization energy (EI source): 5 eV~250 eV (adjustable);

9. Quality range: 1.5~1000 amu;

10. Resolution: resolution per unit mass;

11. Ion source temperature: 100-350 ℃;

12. Filament emission current: 0~350uA;

13. Temperament interface temperature: upper limit 450 ℃;

14. Quality axis stability: ± 0.10 amu/48 hours;

15. Sensitivity: Full scan, 1pg octafluoronaphthalene (OFN) at m/z 272 amu, signal-to-noise ratio (S/N) ≥ 100:1 (RMS)

16. Scanning rate: Z high 10000amu/s

17. Vacuum system: Turbomolecular pump (70L/s)

18. Detector: High Energy Gundam (HED) Electron Multiplier

Gas chromatography-mass spectrometry GCMS-2024Work environment requirements

1. Environmental temperature requirement: 18 ℃~26 ℃

2. Relative humidity of the environment: 40%~70% (no condensation)

3. Working power supply: AC 220 ± 5V, frequency 50Hz ± 0.5Hz

4. There should be no strong electromagnetic interference around.

Gas chromatography-mass spectrometry GCMS-2024application field

lEnvironmental Science: Gas chromatography-mass spectrometry is used to track the distribution and concentration of environmental pollutants, such as organic pollutants in the atmosphere, soil, and water bodies.

lFood safety: used to detect additives, preservatives, pollutants, etc. in food to ensure the safety and quality of food.

lMedical research: Analyzing drug metabolites, detecting drug concentrations in blood and urine, and adjusting drug behavior and dosage are crucial.

lForensic Science: Analyzing small chemical substances, such as toxic substances in blood and urine.

lPetrochemical industry: Analyze the components and impurities in petrochemical products, monitor product quality.

lChemistry and Materials Science: Used for qualitative, quantitative, and structural analysis of compounds in organic chemistry, polymer chemistry, and chemical analysis.

lIn the fields of agriculture and animal husbandry, it is used to detect harmful substances in agricultural and livestock products.