Main functions and features:
GC—8900Type gas chromatographThe instrument adopts a large screen LCD Chinese display, with intuitive operation. It has functions such as self diagnosis, power-off protection, file storage and retrieval, and eight step program temperature rise.
Equipped with a separate vertically heated capillary injection system, it minimizes the impact of vaporization chamber temperature on the column chamber and improves adaptability to various injectors.
The capillary system has adjustable tail blowing, adjustable diaphragm cleaning, and adjustable flow ratio.
The new FID has high sensitivity and can be conveniently maintained for nozzles and ion collection electrodes.
It has six independent temperature control zones, and each vaporization chamber, detector, and amplifier adopts modular design, with flexible and simple combination.
Large capacity chromatography column box, capable of simultaneously installing capillary columns and packed columns, with three independent injectors. According to analysis requirements, gas and liquid injection ports can be installed, making it easy to install wide caliber capillary columns; According to the analysis requirements, it is also possible to add six way valve injection, conversion furnace device, etc., and achieve the series and parallel operation of detectors.
Specification：
Temperature control indicators
Temperature controlled area: chromatographic column box, sampler, detector
Temperature control range: Room temperature+5 ℃~450 ℃ (incremental 1 ℃)
Temperature control accuracy: better than ± 0.1 ℃
Program heating: Eighth order rate 0.1 ℃~40 ℃/min (incremental 0.1 ℃)
Technical Parameter：
Sensitivity/Detection Limit baseline noise baseline drift linear
Hydrogen flame FIDDFID≤2×10-11g/s ≤2.5×10-14A ≤2.5×10-14A ≥106
Thermal conductivity pool TCDSTCD≥4000mv.ml/mg ≤0.02mv ≤0.05mv ≥104
Electron Capture ECD DBCD≤1×10-13g/ml(r-666)≤0.05mv ≤0.05mv ≥104
Flame luminosity FPD DFPD≤2×10-11g/s ≤2×10-12A ≤2.5×10-13A ≥102
DFPD≤1×10-11g/s ≥103
Nitrogen phosphorus NPDDNPD≤5×10-12
DFPD≤2×10-12g/s ≤5×10-13A ≤1×10-12A ≥104
