The gas chromatograph is a computer-controlled multi-purpose high-performance series of gas chromatographs. The instrument has a full microcomputer automatic control system, which can not only control multiple temperatures (column oven, sampler, multiple detectors, auxiliary, etc.) at the same time, but also control the attenuation and zero adjustment of the detector measurement circuit through key operation. , high stability and reliability.
Main Technical Indicators:
●Temperature control area: 6 routes
●Temperature control range: 8 ~450 C above room temperature, increment: 1 C, accuracy: +0.1 C
●Programmed heating order: 16
●The rate of range rise is 0.1-39 C/min (common type) and 0.1-80 C/min (high speed type).
●Gas Control: Selection of Mechanical Valve Control and Electronic Flow and Pressure Control
●External events: 4 routes; auxiliary control output 4 routes
●Types of injectors: filling column injection, capillary injection, six-way valve gas injection, automatic headspace injection optional
●Number of detectors: 3 (most);
●Start-up injection: manual and automatic selection
●Communication Interface: Ethernet: IEEE802.3
1.3.2 Detector specifications
Hydrogen Flame Ionization Detector (FID)
Detection limit: Mt < 3 *10-12g/s (n-hexadecane);
Noise: <5*10-14A
Drift: <1*10-13A/30min
Linear range: > 106
Maximum Service Temperature: <450 Temperature
Thermal Conductivity Detector (TCD)
Sensitivity: S > 3500mV ml/mg (n-hexadecane) (amplification 1, 2, 4, 8 times optional)
Noise: <10 uV
Baseline drift: <30 uv/30 min
Nickel Catalyst Converter
Temperature Control Range of Converter: 0-400 Temperature
Methanation conversion temperature: 350 ~380 C;
Temperature control mode: PT100 platinum resistance;
Converter tube size: N type 3 *160mm;
Heating power: 90W;
Methanation conversion: > 98%;
Note: The converter should be heated under the protection of hydrogen. This can protect Ni from oxidation, and oxidized Ni (NiO) can be reduced to Ni (NiO + H2 = Ni + H2O) by H2.
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