Gas Chromatograph(TCD) Thermal Conductivity Detector Use of rhenium tungsten wire, constant current source etc.
Gas Chromatograph Detector
Introduction:
GC122 -TCD Gas Chromatograph(TCD) Thermal Conductivity Detector
Main Parameters:
Model | Name of Detector | Technical Standard | Characteristics |
GC-122-TCD | TCD | Sensitivity S≥2500mV.ml/mg (Carrier gas H2;Sample:Hexadecane ); Baseline noise≤20μV; Linear range≥104 | Use of rhenium tungsten wire, constant current source, differential amplifier circuit, micro-pool size.
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GC-122-ECD | Electron capture detector | Limit of detection:Mt≤2×10-13g/s (Sample:Hexaneσ-666); Baseline noise:≤10μA Linear range:≥103 | Nickel -63 radioactive sources, the working temperature reach to 350 °C. Have extra high sensitivity in halogen compounds
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GC-122-FPD | Flame photometric detector | Detection limit: For P: Mt≤2×10-11g/s Sulf:Mt≤1×10-10g/s Baseline noise:≤10μA Linear range:phosphorus≥103 Sulf≥102 | Double-flame structure, using optical fiber as the optical signal transmission line , greatly reduce the impact of electrical components under the high temperature ,used in the analysis of the trace phosphorus, sulfur
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Thermal Conductivity Detector (TCD) For GC122 Gas Chromatograph