Description
Gas Chromatograph
is made according to international standards; its technical feature and index are conform with updated analytical level.
The GC-342 is a cost effective gas chromatograph with highly developed self-diagnostic, selfprotective functions, simple operation and user friendly. All parameters can be entered via keyboard.
The GC-342 is a flexible instrument with wide choice of detectors, injectors and columns that can be set in various combinations according to customer’s applications.
The GC-342 gas chromatograph is suitable for quality control in various fields in chemistry, medicine and food industries, and also applicable to quarantine, environment protection, quality supervision, oil, petrochemical industry, forensic analysis, agriculture and commodity inspection.
Specifications:
| Column oven | |
| Operating temperature range | ambient temperature to 400°C; |
| Dual opening-door | at the back of column oven; |
| Cooling time | 250°C to 50°C in 5 min; |
| Programmable oven | with 4-ramp temperature control; |
| Temperature | |
| programming rate | 0.1~50°C /min |
| Injector system | |
| Operating temperature range | ambient temperature to 400°C |
Thermal conductivity detector -TCD:
| Maximum temperature | 400°C |
| Sensitivity | ≥10000mV mL/mg (for butane) |
| Linear range | 105 . |
| Current range | 50 to 400mA |
Filament protection:
If He or H2 carrier gas flow in the detector cell is cut off for 4 minutes, filament power will be shut off automatically
Flame ionization detector – FID:
| Maximum temperature | 400°C |
| Minimum detectivity | ≤5×10-12 g/s (n-C16) |
| Linear range | 107. |
| Flameout hint | monitoring the status of GC continuously after being turned on |
Electron capture detector – ECD:
| Maximum temperature | 400°C |
| Minimum detectivity | ≤0.1pg/mL (Y-666) |
| Linear range | 104. |
| Emission source | 11m C63 Ni |
Flame photometric detector – FPD:
| Maximum temperature | 400°C |
| Minimum detectivity | [P] ≤2×10-12 g/s (tributyl phosphate), [S] ≤2×10-10 g/s (p-methylsulfurphosoharous) |
| Linear range | [P]:105 [S]:103 |
| Two air-hydrogen flames | For large volume injection or trace sample injection analyses; |
| Single air-hydrogen flame | Sulfur sensitivity can be increased; |
| Direct output | For phosphorus or sulfur analyses; |
| Square-root output | For sulfur analyses; |
| Exposed-light protection | When exposed-light current is more than 12ìA, high voltage will be cut off automatically. |
Nitrogen-phosphorus detector – TSD:
| Maximum temperature | 400°C |
| Minimum detectivity | [N] ≤2×10-13 g/s (azobenzene), [P] ≤1×10-13 g/s (malathion) |
| Linear range | [N]:105 [P]:104 |
| Ordering Information:
|
|
| Model | Description of Article |
| GC-01 | Base + FID + Packed Inj. |
| GC-02 | Base + TCD+ double Packed Inj. |
| GC-03 | Base + TCD + FID + double Packed Inj. |
| GC-04 | Base + TCD + FID + Packed Inj. + capillary Inj. |
| GC-05 | Base + FID + capillary Inj. |
| GC-06 | Base + FID + ECD + double packed Inj. |
| GC-07 | Base + FID + ECD + packed Inj. + capillary Inj. |
| GC-08 | Base + FID + TCD + ECD + FPD + double packed Inj. |
| GC-09 | Base + FID + TCD + ECD + FPD + packed Inj.+ capillary Inj. |
| GC-10 | Base + double FID + double packed Inj. |
| GC-11 | Base+ double FID+ packed Inj.+ capillary Inj. |
| GC-12 | Base + FID + packed Inj. + capillary Inj. |
| GC-13 | Base + FID + FPD+ packed Inj.+ capillary Inj. |
|
Accessories on Request |
