QP-6890B Headspace Sample Injector

QP-6890B Headspace Sample Injector

Headspace sampler is a sample pretreatment device for gas chromatography analysis. Compared with other sample pretreatment methods such as solvent extraction and thermal analysis, it is simpler, more practical, more efficient, and has good reproducibility of chromatographic analysis results. It is one of the preferred methods for gas chromatography analysis and is widely used in

1. Petrochemical industry: analysis of volatile organic compounds in polymer monomer coatings, etc;

2. Environmental Science: Analysis of volatile halogenated hydrocarbons in drinking water and organic toxic volatile compounds in industrial wastewater;

3. Health and epidemic prevention: analysis of residual disinfection and fumigation of medical supplies;

4. Food industry: quality control of colored wine, vinegar, and soy sauce; Residual amounts of acetaldehyde and other substances in packaging materials; Residual analysis of solvent No.6 for oil extraction, etc;

5. Spice essence: analysis of spices in beer and tea;

6. Drug quality inspection: analysis of residual solvents in drugs sent by mail;

7. Medicinal Chemistry: Determination of Ethanol, Ketones, and Aldehydes in Blood and Urine;

8. Other analysis: such as the determination of volatile organic compounds in soil.

1. The QP-6890B headspace sampling device adopts a touch sensitive color Chinese display screen, which is easy to operate and user-friendly.

2. Modular design, compact structure, easy to operate; Can be equipped with a headspace heating unit and an automatic control system

3. Modular headspace bottle heating unit, high temperature control accuracy, small gradient, good temperature consistency, simple and reliable.

4. Microcomputer control, color LCD Chinese display, touch based operation.

5. Color LCD screen intuitive display: method parameter settings, real-time working status, running time, year month day, etc;

6. The headspace bottle, injection system, and sampling (injection) catheter (passivation and deactivation treatment) are all heated and temperature controlled separately.

7. 6 foreign affairs, 8-level time program control, self starting and self stopping operation;

8. There are 9 methods for editing, storing, and calling at any time, achieving fast startup and analysis;

9. The GC and chromatographic data processing workstations can be synchronously started, and the device can also be started using external event programs;

10. Equipped with self checking function and fault display;

11. Equipped with a carrier gas regulation system, headspace injection analysis can be performed without any modifications or changes to the GC instrument.

12. A headspace sampling device can simultaneously supply several GC samples for analysis, greatly improving work efficiency;

13. Automatically implement pressurization, sampling, injection analysis, and post analysis blowback functions through foreign affairs time programming;

14. Adopting the principle of high-pressure injection reduces the adverse effects of valve injection;

15. The sampling and injection transfer tubes have automatic blowback function, which avoids cross infection of different samples;

16. For active substance analysis, a 0.53mm elastic quartz tube can be selected as the sample transfer tube;

17. There are various specifications for sampling and injection needles, which can be easily replaced to meet the needs of different GC instrument injection ports;

18. Easy to achieve multiple repeated injections of the same sample bottle, facilitating the development and research of methods;

19. Using imported pneumatic components, the accuracy and lifespan of the instrument were mentioned.

1. Sample area temperature control: room temperature -200 ℃, with an increment of 1 ℃, set heating power of approximately 300W;

2. Temperature control of injection system: room temperature -160 ℃, with an increment of 1 ℃, set heating power of about 50W;

3. Temperature control of transmission pipeline: room temperature -160 ℃, with an increment of 1 ℃, set heating power of approximately 50W;

4. Temperature control accuracy:<± 0.1 ℃;

5. Temperature control error:<± 1 ℃;

6. Headspace bottle workstation: 9 (can be equipped with multiple workstations)

7. Headspace bottle specification: standard 20ml

8. Repeatability: RSD<1% (related to GC performance);

9. Injection pressure range: 0-0.4Mpa;

10. Cleaning flow rate: 0-200ml/min (continuously adjustable);

11. Instrument size: 368 × 200 × 358mm ³;

12. Instrument weight: 15kg.

1. Environmental temperature: 0-30 ℃;

2. Relative humidity: below 85%;

3. There is no strong electromagnetic field interference or corrosive gas around;

4. The workbench should be stable and free from strong vibrations.

5. Power supply voltage: AC 220V ± 10%, 50Hz ± 0.5Hz;

6. Power consumption: approximately 550W.