1、 Main technical indicators
1. Detector indicators
| Thermal conductivity detector (TCD) | |
| Sensitivity (detection limit) | ≥ 5000mv. mL/mg (benzene) |
| Baseline noise | ≤10uv |
| Baseline drift | ≤60uv/30min |
| Linear range | 105 |
| Stable time | ≤2h |
2. Temperature control
Temperature control range: Column box volume: 250×250×180mm
Temperature range: 8 ℃ -400 ℃ above room temperature
Temperature control accuracy: ± 0.5%
Display accuracy: 0.1 ℃
Program order: 8 orders
Cheng Sheng rate: 0-39 ℃/min (adjustable increment of 0.1 ℃/min)
Program heating repeatability: ≤ 1％
3. Normal working conditions of the instrument
Environmental temperature: 5-35 ℃
Relative humidity: ≤ 85％
Power supply voltage: 220V ± 10%, 50Hz ± 0.5Hz;
There should be no corrosive gases indoors, the workbench should not have strong vibrations, and there should be no strong magnetic fields around it.
4. Host size: 500 × 540 × 480mm
5. Power: 1500W
2、 Application spectrum
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Serial number, retention time, name, standard sample concentration, peak area, peak height
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1 4.607 n-hexane 1% 208096 9376
2 6.404 Propane 2% 184946 12136
3 8.336 isobutane 1% 91000 4021
4 9.960 n-butane 1% 103694 3798
5 15.757 Isopentane 0.6% 81750 1769
6 18.793 n-pentane 0.6% 79156 1573
7 21.575 Nitrogen 2% 118890 9065
8 22.493 Methane 85% 4309878 195337
9 25.344 Carbon dioxide 2% 143150 5924
10 34.807 Ethane 4% 291322 6134
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Total 5611882 249133
