★Instrument Overview:
gas chromatographWidely used for routine and trace analysis in petrochemical, gas, fine chemical, environmental monitoring, biochemistry, organic chemistry, food processing, clinical applications of Chinese and Western pharmaceuticals, health quarantine, etc. This instrument can be used to determine oxygen-containing compounds, benzene, toluene, alcohols, and ethers in gasoline.
★ Applicable standards:
SH/T0663、SH/T0693-2000class
☆ Main performance characteristics and parameters:
☆Adopting a large screen LCD display;
☆Equipped with self diagnosis, data power-off protection0℃”Protection against overheating and other functions;
☆Microcomputer controlFIDThe detector automatically ignites and has a stopwatch timing function;
☆The main control circuit adopts advanced microprocessors to make data storage more reliable; .
☆Intelligent dual back door technology, eight step programmed heating, suitable for the analysis of complex samples with wide boiling points.
☆Large volume column box, capable of simultaneously installing four chromatography columns and three types of detectors;
☆Flexible packed column and capillary column systems,Can connect capillary columns of different diameters.
☆ Temperature control accuracy: room temperature+5℃~420℃, accuracy±0.1℃.
Column temperature box volume:280mm×280mm×250mm.
Program heating order: eight orders.
Program heating rate:1℃-50℃.
Constant temperature holding time for each stage:0-300min(1minIncremental).
Automatic rear door design ensures rapid cooling.
A high-power, low-noise rotating fan ensures temperature uniformity.
Hydrogen flame ionization detector(FID)
● Detection limit:Mt≤5×10-12g/s(Hexadecane);
Noise: ≤2×10-14A(0.02mv)
Drift: ≤1.5×10-13A/30min(0.15mv/0.5h)
● Linear range: ≥107
Maximum operating temperature: ≤450℃
Thermal conductivity detector(TCD)
Sensitivity:S≥5000mV.ml/mg(HEXADECANE)
Noise: ≤20μV
Baseline drift: ≤150μv/30min
Component category |
Main component names |
||
alcohols |
methanol |
ethanol |
isopropanol |
Tert butanol |
n-PrOH |
Sec-butyl alcohol |
|
Isobutanol |
Tert-amyl alcohol |
Zhengding alcohol |
|
Ether class |
mtbe |
diisopropyl ether |
TAME |
aromatic hydrocarbon |
benzene |
toluene |
C8aromatic hydrocarbon |
≥C9aromatic hydrocarbon |
total aromatics |
|