Cluster Chemistry and Energy Catalysis Research Group organized chromatography training on June 13, 2024
Multi-function GC9790 series high-performance gas chromatograph, according to the use of the need to choose a variety of detector combinations to meet the general laboratory, daily production, routine testing and micro- and trace analysis requirements, it has a six-step program temperature, six-way automatic temperature control, cold column head sample with diaphragm blowing technology, thermostat lifting and opening the door after the temperature is automatically controlled, shunt/non-shunt sampling technology, self-diagnostic fault technology, Data protection.
Technical parameters
Column temperature control range and accuracy: room temperature on 5 ℃-450 ℃, accuracy of ± 0.1 ℃.
Gas control mode and precision: electronic gas control (EPC), precision of 0.1kpa
Maximum heating rate of column box: 120℃/min
Cooling rate of the column box: dual-airway cooling, 350 ℃ ~ 100 ℃ ≤ 3.5min
Maximum split ratio of capillary/non-split inlet: 4500:1
Program temperature rise order of the column box: infinite order
The main function
1、Display adopts vacuum fluorescent display, Chinese and English can be switched.
2、Operated by keyboard, various parameters and methods can be set.
3、Communication interface board connects with the chromatographic workstation to realize the counter-control of chromatograph by chromatographic workstation.
4、It can store more than 16 sets of chromatographic methods.
5、With external power supply voltage microcomputer detection system and over-temperature protection system to ensure that the microcomputer does not crash and the temperature does not go out of control.
6, with eight-way high-precision temperature control system and eight-way external event function, support multi-valve multi-column switching, to achieve simple analysis of complex samples.
7、Column box with any order program temperature function, reproducibility is better than 0.5%. At the same time, the excellent automatic back door function, realize the column box near room temperature operation. Column box to achieve 450 ℃ high temperature control, with liquid nitrogen / dry ice introduction system to achieve low temperature control.
8、All temperature, pressure, flow rate values and events are digitally controlled and displayed.
9, with multiple injection system, including packed column injection system, capillary column injection system and valve injection system, can realize the packed column, capillary column analysis at the same time.
10, capillary column sampler with 8-step program temperature function, reproducibility is better than 1%. After the program temperature rise stops, the use of semiconductor or air cooling.
11, capillary injection system with shunt/non-shunt injection function, can run gas-saving mode.
12, with diaphragm cleaning packed column system, to achieve packed column chromatography trace analysis.
13, high sensitivity, high stability multi-detector system (TCD, FID, ECD, FPD, NPD), can be installed at the same time 3 (optional).
14, FID to achieve wide-range technology to enhance the scope of application of analysis.
15, the detector board at the same time output analog and digital signals, analog and digital signals can be automatically zeroed.
16、Column flow rate can realize any constant pressure or constant flow control.
