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Other Lab Equipments

Automatic Purge and Trap Device


1. It can automatically run 72 samples without personnel on duty;

2. Power on self-test, fault alarm and prompt, temperature overload protection function, leakage protection function, etc.;

3. The gas path adopts inert treated stainless steel tube and PEEK tube, and adopts well-known brand electric switching valve and electronic pressure sensor, which can display the carrier gas pressure in real time and achieve stable retention time;

4. Detection method parameter setting, real-time cloud image display working status, running time, flow, etc.;

5. Program control the temperature of sample area, injection valve, purge tube, sample transfer tube, cold trap, water removal trap and trap tube desorption zone, the desorption temperature heating rate can reach 2000℃/min;

6. 7-inch touch screen, easy to operate, can smoothly realize the human-computer interaction process;

7. Syringe pump automatic filling function;

8. The GC and GCMS chromatographic data processing workstation can be started synchronously, and the device can also be started by external programs;

9. The new software control system can automatically perform functions such as purging, trapping, desorption, sample injection, and backflushing with one key;

10. Methanol cleaning and high-temperature water cleaning technology can effectively reduce cross-contamination and residual problems in the process of high-concentration liquid or solid analysis;

11. Adopt MFC flow controller, which can automatically adjust the sample flow and control the sample volume;

12. The device has the function of automatic sample stirring; the U-shaped purge tube can be selected from 5ml and 25ml;

13. The automatic backflushing function of the entire purging and sampling system can avoid cross-contamination of different samples;

14. The trap is equipped with a water removal trap to reduce the impact of water vapor on GCGCMS;

15. The instrument is equipped with interfaces for various instruments, which can be connected to various GC and GCMS;

16. Added log, help, stopwatch, and more convenience.

Technical Parameter:

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Automatic Thermal Desorption Instrument BK-TD50A


1.Power on self-test, fault alarm and prompt function, temperature overload protection function, leakage protection function, gas path differential pressure alarm function, etc., which improves the safety factor of the instrument.

2. The sample position is up to 50, which can meet the daily sample analysis.

3. The adsorption tube can automatically take off the cap and put on the cap automatically, and automatically detect the gas path leakage.

4. Electronic pressure and flow display function.

5. The imported switching valve and solenoid valve are used for gas path control, which has stable performance and effectively prevents sample contamination.

6. All gas pipes have been passivated.

7. New human-computer interaction interface, separate function of detection method, real-time cloud chart display working state, running time, flow, etc;

8. The program control of sample coil position can realize the specified pipe position detection, and can add sample tube at any time according to the demand, which makes the detection process more flexible and smooth;

9. The GC and workstation can be started synchronously, and the anticontrol between GC and GC can also be realized;

10. The machine has the function of analog sampling of standard sample, which is convenient to obtain the working curve;

11. Low temperature secondary desorption function, using electronic refrigeration and two-stage flash thermal desorption process;

12. It has the function of sample diversion, which can prevent contamination of the instrument when detecting high concentration samples;

13. Add log, help, stopwatch and other functions to provide more convenience.


Meet the following standards:

1. HJ / 644-2013 determination of volatile organic compounds in ambient air by adsorption tube sampling thermal desorption gas chromatography mass spectrometry;

2. HJ / t400-2007 sampling and determination method of volatile organic compounds and aldehydes and ketones in vehicles;

3. GB / t18883-2002 indoor air quality standard;

4. HJ / 583-2010 determination of Benzene Series in ambient air by solid adsorption / thermal desorption gas chromatography;

5. Hj734-2014 determination of waste volatile organic compounds from stationary pollution sources by solid phase adsorption / thermal desorption gas chromatography;

6. GB / 50325-2020 standard for indoor environmental pollution control of civil building engineering, etc.

Technical Parameter:

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Standard Peristaltic Pump BT-S Series


* 4-digit LED digital tube displays the speed and working mode;

* LF-LED-OS software system;

* LED indicator shows the working status of positive and negative, internal control, external control, foot switch, etc.;

* Toggle switch and knob are combined for operation;

* It has basic functions such as start and stop, forward and reverse,full speed, speed regulation, state memory, etc.;

* Simple dispensing control, realizing the function of repeatedly transferring quantitative liquids;

* Streamlined plastic shell design, simple and stylish;

* Large torque output, different pump heads can be installed to realize multi-channel and driver combination;

* The internal structure adopts a double-layer isolation design, and the circuit board is sprayed with three anti-paint technology to achieve the effect of dust and moisture;

* Super anti-interference characteristics, wide voltage design, suitable for complex power supply environment;

* External control high and low-level control start and stop, positive and negative, simple subassembly, optocoupler isolation; external control analog quantity adjusts the speed;

* RS485 communication, support Modbus protocol, convenient to connect with various control equipment;

* It can be equipped with foot switch, pulse dampener, leak detector and other optional accessories.

Technical Parameters:

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