• Gas chromatograph
  • Gas chromatograph

Gas chromatograph

This chromatograph is a versatile, high-performance, and multi detection series gas chromatograph controlled by a microcomputer processor. Suitable for trace and toxic analysis, monitoring, research, biochemistry, clinical application, pathology and virus research in environmental protection, air, water source pollution, etc., food fermentation, petrochemical industry, petroleum analysis, geology, exploration research, organic chemistry, synthesis research, health quarantine,
  • Gas chromatograph

SPECIFICATION


                                                                        Gas chromatograph 

This chromatograph is a versatile, high-performance, and multi detection series gas chromatograph controlled by a microcomputer processor. Suitable for trace and toxic analysis, monitoring, research, biochemistry, clinical application, pathology and virus research in environmental protection, air, water source pollution, etc., food fermentation, petrochemical industry, petroleum analysis, geology, exploration research, organic chemistry, synthesis research, health quarantine, public hazard detection analysis and research.
Features:
The main control circuit adopts a microprocessor system and a large-scale integrated circuit. It adopts a human-machine dialogue interface and adopts large screen LCD Chinese character display technology, which is intuitive, easy to operate, and easy to learn and use. Real time display of all parameter settings and actual values in Chinese, suitable for teaching in universities and instrument operation by ordinary instrument operators in enterprises.
Stable and reliable temperature control system
Adopting microcomputer automatic control circuit, fully keyboard operation, with five high-precision control systems, among which the column box temperature can achieve a fifth order programmed heating. Complex sample analysis with wide boiling points can be conducted according to customer needs
The intelligent rear door opening technology ensures that the column box temperature of the instrument can have good temperature control accuracy even when working near room temperature.
Stable and reliable air circuit system:
The carrier gas circuit adopts a dual stable gas circuit system that stabilizes the pressure first and then stabilizes the flow
By using a capillary split/non split injector, the flexibility can be matched with the circuit control section, allowing for automated split/non split injection.
The use of backpressure control with split/non split injector provides stable pre column pressure and improves the stability of the capillary system. Special and capillary column analysis.
The capillary injector has a diaphragm cleaning function, effectively preventing ghost peaks in the injector at high temperatures.
The flow regulating valve adopts digital knob adjustment, which is intuitive and reliable.
The pressure in front of the column is displayed on the pressure gauge.
Technical indicators:
Chromatographic column temperature: (5-399 ℃ above room temperature, accuracy ± 0.1 ℃)
□ Programmed temperature rise: tenth order, 5-399 ℃ above room temperature
Heating rate: 0.1-40 ℃/min
Detector and injector temperature: (5-399 ℃ above room temperature, accuracy ± 0.1 ℃)
Detector sensitivity: FID
Detection limit: ≤ 8 × 10-12g/s
Baseline noise: ≤ 5 × 10-14 A
Baseline drift: ≤ 2 × 10-13 A/30min
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