The use of gas chromatograph and its characteristics

The use of gas chromatograph:

Mainly used in:

Environmental protection: Analysis, monitoring and research of trace poisons in polluted sites such as atmospheric water sources. Biochemistry: Clinical application, pathology and toxicology research Food fermentation: Analysis of trace components in microbial beverages Chinese and Western medicines: Raw material intermediates and finished products analysis Petroleum processing : Petrochemicals, petroleum geology, oil composition, etc. Analytical control and ore control research Organic chemistry: Component research and production control in the field of organic synthesis Sanitary inspections: Analysis and research of labor protection pollution inspections Advanced science: Military inspection control and research < br> <br> GC features:

1. Fully computerized key operation, large-screen LCD display, man-machine dialogue, convenient operation;

2, new integrated digital electronic circuit, high control accuracy, stable and reliable performance, temperature control accuracy up to 0.1 °C.

3. The unique inlet design solves the injection discrimination; the double column compensation function not only solves the program drift caused by temperature rise, but also subtracts the influence of background noise to obtain a lower minimum detection limit.

4. The volume of the column box is large, and the intelligent door opening system can steplessly change the amount of air in and out, shortening the system stability and balance time after the program is up/down; the furnace system: (temperature range) ambient temperature 6°C~400°C. , The heating rate is 0-50°C/min; Increment 0.1°C/min can be recalibrated by the user, and the maximum temperature can be set arbitrarily. The user determines the oven temperature balance time.

5. Three sampling systems can be installed at the same time: packed column, capillary split/splitless injection system (with membrane cleaning function); two identical or different detectors can be installed at the same time: Hydrogen Flame Ionization Detector (FID) Thermal Conductivity Detector (TCD). Optional automatic / manual gas six-way injection valve sampler, headspace sampler, thermal analysis sampler, pyrolysis furnace sampler, methane reformer.

6. Detector system: flame ion detector is easy to disassemble and install, easy to clean or replace the nozzle; high resistance single column thermal conductivity detector has high detection sensitivity, the baseline is stable and fast (stabilized in 15 minutes); the input signal can be Amplification, reduce interference, increase sensitivity. Optional TCD, ECD, NPD, FPD.

7, with a self-diagnosis function, stopwatch function (for convenient flow measurement), running timer function, power failure storage protection, keyboard lock function and anti-power mutation interference function.