Gas chromatography is a common type of chromatography used in analytical chemistry for separating and analyzing compounds that can be vaporized without decomposition. Typical uses of GC include testing the purity of a particular substance, or separating the different components of a mixture.
Features of Gas Chromatagraph
1. 5.7” large LCD screen for GC 7860 Plus, and Color Touch Screen is optional for this model.
Vacuum Fluorescent screen for GC 7860 B, with easily operated keypad.
2. Gas path control: manually or EPC(Electronic Pressure Control), network communication(Ethernet interface IEEE802.3), Computer-controlled operation.
3. EPC Mode. Precision 0.01ml/min or 0.01Kpa, which ensures better time reproducibility and more reliable results.
1) EPC work mode: constant current, constant pressure, split.
2) Pressure control: 4th
3) EPC work gas: N2, H2, Air, He, Ar.
4) EPC control range: Pressure 0-0.6Kpa, Flow 0-100sccm or 0-500sccm.
5) EPC control accuracy: Pressure 0.01Kpa, Flow 0.01sccm.
4. Support double ovens, double back doors.
5. Oven Temp increment 1 C degree, accuracy +/-0.01 C degree.
6. Versatile Injection Mode: Packed column, Capillary split/non-split, Valve, Liquid Automatic Injection, Automatic Head-space Injection, Cracking, Thermal Desorption Injection, Purge and Trap.
7. GC-7860 Plus can be equipped with 3 detectors, GC-7860 B can be equipped with 2 detectors: Optional available GC detectors are: HCD, HTCD, UTCD, FID, FPD, ECD, NPD, ZD, PDHID, PID, AID.
8. Customerized Valve available, which can help users to fulfill complicated multi-dimensioal chromatographic analysis task.
9. The program support multi-flow sample to choose MPV system, which has functions of recognizing number of valves automatically, automatic on-line judgment, valve position selection, valve position analysis memory, max 32 paths of sample flow can be supported.
10. Temperature control technical parameters:
1) Temperature control path number: 8
2) Oven Temperature parameters:
a) Oven temperature range: 4℃ -450℃ above room temperature.
b) Oven temperature resolution: +/-0.01℃.
c) Program ramps: 16.
d) Program setting: 0.1-39℃/min(Common type), 0.1-80℃/min(High speed type)
e) Constant temperature time of each program: 0-999min(Increment 0.1min)
f) Cool-down time: 260℃ to 50℃ in 6 minutes.
3) Sampler/Detector/Thermal Conductivity Cell
Temperature range: 4℃-450℃(Increment 1℃)
Temperature accuracy: +/-0.01℃.
Professional analysis software is available.
Hydrogen Gas generator, Nitrogen Gas Generator, PSA method Nitrogen Gas Generator, and Air Compressor are available.
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