GCMS-9000 rohs2.0 gas chromatography-mass spectrometer

GCMS-9000 rohs2.0 gas chromatography-mass spectrometerIt can measure ROHS2.0 and four adjacent benzene terms, which can meet the detection requirements and analysis frequency of soil organic pollutants such as polycyclic aromatic hydrocarbons, organochlorine pesticides, phthalates, volatile organic compounds, phenols, nitrobenzene, aniline, polychlorinated biphenyls, and automotive interiors. At the same time, the optimization of instrument configuration can maximize instrument utilization and ensure the continuity and reliability of sample analysis work.

GCMS-9000 rohs2.0 gas chromatography-mass spectrometerProduct Advantages

1. Maintain good test repeatability for temperature and pressure control accuracy in gas chromatography.

2. Wide temperature RF power supply can better adapt to various laboratory environments and provide better stability.

3. High precision all metal quadrupole ensures good mass spectrometry resolution.

4. A quadrupole mass analyzer with pre quadrupole configuration effectively reduces contamination of the quadrupole lamp.

5. The electron multiplier with high-energy conversion lamp pole ensures excellent sensitivity.

6. Adopting imported high-performance turbo molecular pumps with high pumping speed, stable operation, and long lifespan, providing excellent vacuum environment for mass spectrometry.

7. The high-temperature ion source efficiently ionizes, reduces pollution, and is equipped with two long-life filaments, providing double the usage time.

8. Can be configured with self powered sampler, blowdown collector, thermal analyzer, headspace sampler, etc. Used for the analysis of samples in various states.

Partial technical parameters and indicators

ion source

Sensitivity: EI Sensitivity: 1 pg OFN S/N 400:1 or higher;

V ion source material: inert ceramic ion source, equipped with dual filaments;;

V ionization energy: 10-100eV;

V interface temperature: adjustable from 100 ℃ 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;

V ion source temperature: 150 ℃ -350 ℃;

Quality Analyzer

Quality analyzer: high-precision metal quadrupole with pre-set rod;

V quadrupole temperature: Quality stability can be ensured without temperature control;

Quality range: 1.5-1050 amu, software can set and detect;

Quality axis stability: better than 0.10 amu/48 hours;

detector

V detector: Long life 13 level discontinuous dynode electron multiplier;

Maximum scanning speed: 10000 amu/s, with adjustable speed throughout the entire process;

Dynamic range: 106;

The reproducibility of peak area is less than 2% RSD;

Vacuum system: Mechanical pump pumping speed ≥ 4m ³/h; Configure high-performance turbo molecular pump with a pumping speed of 250 L/s;

The maximum allowable flow rate of the chromatographic column is 5ml/min for helium gas.

Maintainable components: detachable ion source, filament, lens, pre quadrupole, and detector;

Software method:

Integrated control of mass spectrometer and gas chromatograph in Chinese; The synchronous scanning function can obtain both scan and sim data in one injection test, improving analysis efficiency; The alternating scanning function can be performed alternately with scan and sim, expanding the analysis function.

During operation, a time interval can be set to turn off the filament and electron multiplier to protect the filament. The electron multiplier can avoid solvents or other easily saturated substances that peak at intermediate times.

The V software can automatically select the characteristic ions of the target compound and group them based on the data obtained from the full scan, and save them to the analysis method without manual input;

Manual/automatic tuning, data acquisition, quantitative analysis and spectral library retrieval functions, analysis result report output;

Automatic shutdown;

V chromatographic flow monitoring; Chromatography gas cut-off, mass spectrometry ion source and transmission line automatic cooling protection, mass spectrometry stops running;

Real time monitoring of the rotational speed and current of the V molecular pump, with abnormal prompts.

The ion mode detection (SIM) has no limit on the number of groups, and each group can select up to 100 ions.

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