1. The machine has pioneered a gas cut-off protection function (automatic alarm) to maximize the protection of the chromatography
The column and TCD tungsten wire are not damaged;
2. Adopting a brand new humanized and dual CPU design, with extreme temperature overload protection
Function;
3. It has a wide range of fault self diagnosis functions, which can help users easily identify faults
Obstacle orientation;
4. It has a five stage program heating function Intelligent rear door opening system to cool down the column chamber
Very fast speed;
5. The basic configuration of the machine is a dual hydrogen flame detector, which can be equipped with a single FID amplifier or dual
FID amplifier In addition, there is a large reserved expansion space, and TCD can be optionally selected at any time
FID, NPD, ECD detectors, as well as gas injectors, converters, etc. should
The host can install four types of detectors simultaneously and can control temperature separately;
6. It has six independent temperature control zones. Each vaporization chamber, detection chamber, and amplifier
Adopting modular design. Installation and replacement are very convenient;
7. The highly stable and sensitive microcurrent amplification technology significantly improves the detection limit of FID;
8. After selection, this machine can simultaneously install small-diameter capillary tubes and large-diameter capillary columns
And packed columns, various chromatographic columns are easy and reliable to install, among which small caliber capillary
The column specific vaporization chamber has split/non split, diaphragm blowing, and tail blowing systems.
Column box temperature:
Room temperature+5 ℃~400 ℃ Accuracy: ± 0.1 ℃;
Five stage program temperature rise, with each stage maintaining a constant temperature for 0-999.0 minutes.
Increment of 0.1 ℃, with a 0.1 ℃ increase in temperature;
● Detector
Hydrogen Flame Detector (FID)
Detection limit: D ≤ 8 × 10-12G/sec (n-hexadecane/isooctane)
Linear range: 107
Baseline drift: ≤ 1×10-14A/30min
Noise: 5 × 10-14A
Thermal conductivity detector (TCD)
Sensitivity: s ≥ 4000mv. ml/mg (benzene/toluene)
Baseline drift: ≤ 0.05mv/30min
Noise: ≤ 0.015mv
Electron Capture Detector (ECD)
Detection limit: D ≤ 1 × 10-13G/ml (r-666/iso octane)
Base flow: Io ≥ l × 10-9A
Baseline drift: 0.02mv/30min
Noise: ≤ 0.01mv
Linear range:> ten4
Radiation source: Ni63
Flame photometric detector (FPD)
Detection limit: D (p) ≤ 2 × 10-12G/sec (1605/ethanol)
D(s)≤5×10-11G/sec (thiophene/n-hexane)
Baseline drift: ≤ 3×10-13A/30min
Noise: ≤ 2×10-12A
Nitrogen phosphorus detector (NPD)
Detection limit: D(N)≤5×10-12G/s (azobenzene/isooctane)
D(p)≤5×10-12G/s (Malathion/Isooctane)
Baseline drift: ≤ 2×10-12A/30min
Noise: ≤ 2×10-12A