Advantages of RoHS2.0 benzene detection solution:

1、 Main performance parameters and technical features of TP30-GC thermal cracking desorption instrument:
1. The world's leading ceramic heating mode, equipped with high-precision temperature sensors on the ceramic body, precise temperature control, fast and stable heating of the suction tube, low voltage operation, safe and reliable.
2. Equipped with program heating function, different temperature ranges and gradients can be set arbitrarily;
3. PC software control system, with greater scalability and more convenient operation;
4. Abandoning traditional mechanical valves and adopting fully CNC solenoid valves for more precise air path control;
5. Cooperate with EPC electronic pressure controller to better control gas flow rate;
6. Equipped with electronic gas regulator valve and needle pressure valve, achieving precise control through full computer; A valve switching system with independent intellectual property rights, no dead volume, stable and efficient, and no residual samples.
According to user needs, samples from different diameter desorption tubes can be heated up to a maximum temperature of 500 ℃.
The desorption device is directly installed on the injection port of the gas chromatograph, ensuring rapid desorption of the sample into the chromatography.
Direct desorption, desorption, and injection analysis can be performed on standard atmospheric sampling tubes or any solid materials containing organic matter.

Technical Specifications:
The temperature range of the cracking device (Φ 6 cracking tube) is from room temperature to 450 ℃, with increments of 1 ℃. Heating rate of cracking device (Φ 6 cracking tube):>500 ℃/min.
The cracking time range of the cracking device is 0.01 to 99.99 minutes, set in increments of 0.01 minutes.
The blowing time range of the cracking device is 0.01 to 99.99 minutes, with increments of 0.01 minutes set at any time.
The blowing flow range of the cracking device is 10ml to 200ml.
Split flow range of cracking device: 10ml~200ml.
Heating control voltage of cracking device: 16VDC.
Temperature range of aging cleaning device: room temperature~450 ℃, set in increments of 1 ℃ (optional).
Time range of aging cleaning device: 1-1200 min, set in increments of 1 min.

2、 Main performance parameters of gas chromatograph
The friendly human-machine dialogue interface makes your operation simpler.
1. The split/non split injection system makes analysis flexible and convenient.
2. Equipped with a dual valve control system, it facilitates online automatic sampling.
3. The high-precision EFC (flow rate) system makes your flow rate clear at a glance, allowing for more accurate setting of gas flow rates.
4. A comprehensive detection and fault diagnosis system can enable you to quickly identify and solve problems with the instrument.
5. A wider temperature control range: ambient temperature+5 ℃~400 ℃, making the sample analysis range wider.
6. The unique gas cut-off protection system can minimize damage to the detector and chromatographic column.
7. The column box can be equipped with an ultra-low temperature control system, with a minimum ultra-low temperature control of -80 ℃, to meet your needs for low boiling point substance analysis.
8. The inter column compensation circuit electronically compensates for baseline drift during program temperature rise, reducing the complexity caused by the second column, detector, and auxiliary flow system. Two single column compensation channels can be installed simultaneously.

Column temperature box system:
Temperature range: ambient temperature+5 ℃~450 ℃
Third order programmed heating, with a heating rate of 0-50 ℃/min; Incremental 0.1 ℃/min. Temperature control accuracy ± 0.015 ℃,
Users can recalibrate the furnace temperature and freely set the maximum temperature. The intelligent rear door opening system has stepless variable air flow in and out, which shortens the stable balance time of the system after heating/cooling. The time taken for the column box to drop from 300 ℃ to 50 ℃ is less than 12 minutes.

Sample injection system:
1. Filler column sampler: suitable for various caliber filler columns and large-diameter capillary columns.
2. Capillary sampler: Optional split/non split injection system controlled by programming valve.
3. Optional options include our company's headspace sampler and thermal analyzer.

Detector system:
Hydrogen flame ionization detector (FID):
Easy to disassemble and install, convenient for cleaning or replacing nozzles, simple to operate; The input signal can be logarithmic amplified, reducing interference, with high sensitivity, good linearity, and wide range.
Detection limit: Mt ≤ 5 × 10-12 g/s (n-hexadecane) Baseline noise: ≤ 6 × 10-12 A/H
Linear range: ≥ 105
Stable time:<0.5h