main features
1. Adopting direct injection and zero dead volume
2. When used, there is no need to make any changes to the original GC. After desorption, the sample is directly injected from the vaporization chamber, eliminating the memory effect of the system on the previous sample
3. The desorption furnace adopts a vertical and movable structure, which is suitable for using gas chromatographs from different manufacturers and models
4. The desorption furnace is heated at a constant temperature, and the desorption tube is inserted into the vaporization chamber through the furnace, achieving the maximum heating rate of the adsorption tube
5. The calibration of the adsorption tube simulates the inhalation time, desorption time, injection time, etc. of the sample, which is automatically completed by the time program control
6. The cooling and replacement of the desorption tube can be easily completed on the desktop after leaving the desorption furnace, which is simple and convenient
7. Liquid standard samples can be directly injected into adsorption tubes for analysis from the top of a heated and constant temperature desorption furnace, providing a new calibration method
8. In addition to direct online sampling, the "syringe sampling method" can be easily performed according to different analysis requirements
9. Due to the different operating principles and structures compared to similar thermal desorption instruments in China, the smallest detection concentration is lower, and the linear range, analysis accuracy, and precision are easier to ensure

Technical Parameter
Temperature control range of desorption furnace: room temperature -400 ℃
Temperature control accuracy of desorption furnace: ± 0.2 ℃
Desorption pressure (flow rate): calibrated flow rate 0-500ml/min continuously adjustable
Desorption time, injection time, calibration suction time: 0-99 minutes, five step programmable, continuously adjustable
Detection limit when sampling volume is large:< Ppb level
Heating rate of straw:> 300℃/min
Desorption recovery rate: 85% -103% (depending on the composition)