Gas chromatography analysis

In the field of modern analysis and detection, gas chromatography technology has become an important core analytical tool in industries such as petrochemicals, environmental monitoring, food safety, and pharmaceutical research and development due to its high separation efficiency, high sensitivity, and good reproducibility. With the continuous improvement of laboratory requirements for instrument automation, intelligence, and operational stability, the new generationGas chromatography analysisThe instrument continues to optimize in human-computer interaction, temperature control accuracy, gas path safety, communication integration, and is committed to providing users with a more efficient, reliable, and convenient analysis experience.

1、 Product features:

●Gas chromatography analysisAdopting a 7-inch touchscreen LCD display for real-time display.

Equipped with core temperature control development technology, PID temperature control system, utilizing the characteristics of bus development technology, adopting control chips, and dual over temperature protection of temperature control software and hardware, the temperature control system runs for a long time, is reliable and durable.

Adopting a diaphragm type stabilizing valve group, it is earthquake resistant, drop resistant, highly stable, and has a stable output flow rate. The fluorine rubber sealing gasket is corrosion-resistant and durable.

The carrier gas has pressure protection function. When the gas pressure drops to 0.4mpa, the instrument automatically cuts off the power supply to effectively protect the safety of the chromatographic column.

Advanced 10/100M adaptive Ethernet communication interface is adopted, supporting network reverse control.

● Implement FID automatic ignition, fire monitoring, and automatic triggering.

The automatic cooling system for the rear door adjusts the required switch angle through temperature compensation.

● Support network reverse control, all instrument parameters can be controlled through computer reverse control software, digital transmission, bidirectional communication, mature and stable technology, eliminating the need for external acquisition cards on workstations. At the same time, there is also an analog output port that supports connection to any chromatographic workstation.

2、 Main technical parameters:

Temperature control area: 7-way temperature control

Temperature control accuracy: ± 0.1 ℃ - ± 0.2 ℃

Temperature control range: room temperature ± 8 ℃ -450 ℃, with increments of 1 ℃

● Program heating: 16 stage program heating, heating rate 0.1-40 ℃/min, increments of 0.1 ℃, initial and termination time range: 0-6000min, increments of 1min.

Extreme temperature: maximum protection value of 450 ℃

● 外部事件：6通道外部事件。

● Gas path control: mechanical valve control mode

● Detector: 3 (2 FID detectors, 1 TCD detector)

● Injectors: 3 (maximum), packed column injector, capillary column injector, valve injector

Power supply: 220V 50HZ 2000W

3、 Technical specifications of detector:

Hydrogen flame ionization detector (FID)

Detection limit: Mt ≤ 5 × 10-11g/s (n-hexadecane-isooctane solution);

Noise: ≤ 5 × 10-14A

Drift: ≤ 1 × 10-13A/30min

● Ignition method: automatic ignition

Thermal conductivity detector (TCD):

Sensitivity: S ≥ 3500mV ● ml/mg (conventional)

5000mV ● ml/mg (highly sensitive) (benzene toluene solution)

Noise: ≤ 0.01mV

Baseline drift: ≤ 0.03mV/30min

● Linear range: ≥ 104

Reverse control chromatography workstation:

Unlike ordinary gas chromatographs, it requires a 10/100M adaptive network environment (when remote data transmission through the Internet is required, Internet access services are also required) and a set of computers with Chinese Windows 2000, XP, win7, and win8 operating systems.