Gas chromatograph for exhaust gas analysis in online environment

Gas chromatograph for exhaust gas analysis in online environment

The entire system consists of three subsystems: gaseous pollutant benzene, toluene concentration detection, wireless transmission, and data acquisition. It has a simple structure and a wide dynamic range,
Strong real-time performance, flexible networking, and low operating costs. The system adopts a modular structure, which is easy to combine and can be integrated with DCS and environmental protection departments within the enterprise

Gas chromatograph for exhaust gas analysis in online environment

HJ583-2010 Determination of Benzene Compounds in Environmental Air by Thermal Desorption Gas Chromatography Method

Application fields:

1. Determination of benzene in indoor air

2. . Total volatile organic compounds (TVOC) in indoor air

3. Occupational safety, industrial hygiene, and environmental monitoring;
2. Rapid identification of unknown atmosphere;
3. Analysis of spices and essence;
4. Assessment of toxic substance accidents (when personnel can safely return to the accident site);
5. Perimeter environmental safety monitoring of chemical weapons warehouses;
6. Quality control testing in polymer and packaging industries;
7. Evaluation of drug solvents and product purity;
8. Residual analysis of drugs and court samples;
9. Collect exhaled gases from patients and detect volatile drug metabolites in their blood in hospitals.

Characteristics of gas chromatograph host：

Clearly display the set values, measured values, and protection values of each temperature channel

Real time display of instrument status

Touch sensitive keyboard, menu based operation

Temperature control indicators of gas chromatograph:

Temperature control accuracy:+-0.01

Column box: 5 ℃~399 ℃ at room temperature with an accuracy of ± 0.1 ℃

Sample injector: 5 ℃~399 ℃ at room temperature with an accuracy of ± 0.1 ℃

Detector: 5 ℃~399 ℃ at room temperature with an accuracy of ± 0.1 ℃

Converter: 5 ℃~399 ℃ at room temperature with an accuracy of ± 0.1 ℃

Quantitative repeatability: RSD ≤ 3%

Qualitative repeatability: RSD ≤ 1%

Sensitivity: The highly stable and sensitive microcurrent amplification technology significantly improves the detection limit of FID;

Electronic flow: The instrument's pneumatic system can be equipped with an electronic flow display;

Injection diversion mode: Capillary systems have diversion and diversion/non diversion injection modes;

Program heating system: Rear door technology enables near room temperature operation, 9-stage program heating;

Characteristics of Thermal Analysis Instruments

Universal type:Can be used with all imported and domestic gas chromatographs,

Low detectability: The detection concentration of volatile organic compounds in the environment can reach ppb level.

Implementation standard: GB50325-2010 "Code for Indoor Environmental Pollution Control of Civil Building Engineering"