ATDS-3400Type A multifunctionalThermal desorptioninstrument
1、 Instrument Introduction
ATDS-3400A multifunctionalThermal desorptioninstrumentIt's oneNew modelSample pretreatment deviceThis instrument integrates thermal desorption, simulated sampling of standard samples, and activation design of desorption tubes, making it economical and practical.
2、 InstrumentPurpose and application scope
ATDS-3400A multifunctional thermal desorption instrumentCan be used with all imported and domestic gas chromatographs, and the detection concentration of volatile organic compounds in the environment can reachPpb level. ATDS-3400A multifunctionalThermal desorptioninstrumentExcept for meetingGB50325-2020Indoor Environmental Pollution Control in Civil Construction Engineeringstandard”Benzene in Indoor Air、Toluene, xyleneThe determination”In addition to the determination of total volatile organic compounds (TVOC) in indoor air, it can also be applied to the following fields:
1. 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. Security monitoring of the perimeter environment of chemical weapons warehouses;
6. Quality control testing in the polymer and packaging industries;
7. Evaluation of drug solvents and product purity;
8. Residual analysis of drugs and court samples;
9. Collecting exhaled gases from patients and detecting volatile drug metabolites in their blood in hospitals.
3、 InstrumentCharacteristics and main functions
1. Integrated design of thermal desorption instrument, simulated sampling, and adsorption tube activation instrument, more practical and convenient;
2. Automated design, versatile and easy to operate;
3. Microcomputer control, large screen LCD display, touch keyboard, numerical input, main functions include:
⑴ Method parameter settings, real-time working status, and running time;
⑵ The desorption furnace, activation furnace, injection valve, and sample transfer tube are all independently heated and temperature controlled;
⑶ Set program control, press the run button to automatically complete the entire sample analysis;
⑷ It can store 9 methods for easy calling at any time, achieving fast startup and analysis;
⑸ The GC and chromatographic data processing workstations can be started synchronously, and the device can also be started using external programs;
4. The machine comes with the function of simulating and sampling standard samples, which makes it more convenient to create working curves through a thermal desorption instrument;
5. Equipped with an external carrier gas regulation system, it can be connected and used without any modifications to the GC, and the original instrument carrier gas can also be used;
6. Desorption injection analysis and activation adsorption tube can be performed simultaneously without affecting each other;
7. The sample transfer tube and injection valve have automatic blowback function, which avoids cross contamination of different samples;
8. Through foreign affairs time programming, automatic functions such as desorption, injection, analysis, and post analysis blowback can be achieved;
9. For active substance analysis, an elastic quartz tube can be selected as the sample transfer tube;
10. In order to make it more convenient and accurate to use with imported gas chromatographs, this instrument is also equipped with dedicated interfaces for various imported instruments, which are easy to connect;
11. The injection needle is easy to replace and can be connected to all models of GC injection ports at home and abroad.
4、 InstrumentMain technologiesparameter
1.Temperature control range in the sample area:
room temperature—400℃Increase by 1℃Ren ShiHeating power is about 200W;
2.Temperature control range of activation furnace:
room temperature—400℃Increase by 1℃Ren ShiHeating power approximately400W;
3.Temperature control range of valve injection system:
room temperature—180℃Increase by 1℃Ren Shi Heating power approximately60W;
4. Temperature control range of sample transfer pipeline:
room temperature—200℃Increase by 1℃Ren Shi Heating power approximately40W
(For operational safety, the temperature control of the transmission pipeline adopts low-voltage power supply);
5.Temperature control accuracy:< ±0.1℃ ;
6. Temperature control gradient:< ±0.1℃ ;
7.Number of activated adsorption tubes:6 pieces+1 piece
8. Desorption recovery rate:>95%(Related to components);
9.activationBackflow rate:0~600ml/Min (continuously adjustable);
10.Simulated samplingTraffic:100ml/min
11.Instrument size:400×170×300mm3;
12.Instrument weight: approximately15kg。