GC112A-GIntroduction to the use of gasoline aromatic hydrocarbon gas chromatograph:

The chromatograph system is newly designedGC112AOn the basis of the universal gas chromatograph, a multidimensional gas chromatograph has been successfully developed for the determination of benzene and toluene content in automotive gasoline in accordance with newly issued national requirements. It is an ideal gas chromatograph for the petrochemical industry, refineries, and related application fields

GC112A-GMain features of gasoline aromatic hydrocarbon gas chromatograph:
Instrument execution standard:GBl7930-1999Unleaded gasoline for automobilesASTMD3606-1996The determination of benzene and toluene content in automotive gasoline and aviation gasoline (gas chromatography method) meets both requirementsJB/T6224-1992Laboratory gas chromatographJJG700-1990Gas chromatograph
Microcomputer based control, high temperature control accuracy (better than:0.1℃）
Keyboard settings for various controls and usage parameters(Including detector operating parameters)The machine has functions such as self diagnosis, power-off protection, file storage and retrieval, limit temperature, and timed temperature control for turning on and off. It can accurately display the set values and actual values of various temperature controlsTCDBridge flow, retention and analysis time, etc.
The instrument provides three sets of carrier gas steady flow control. Accurate scale pneumatic control valve components with high reproducibility and stability, capable of directly reading flow values and easy adjustment.
Equipped with a constant temperature flat six way valve for blowback. Optional automatic switching six way valve components controlled by microcomputer timing.
It has the function of automatic cooling and rear opening of the column box, achieving rapid cooling.
The instrument has high separation efficiency and good repeatability. Thermal conductivity pool detector(TCD)High sensitivity, low noise, and short stable equilibrium time.
Open microcomputer control system optionalRS-232Interface andFJ-2000Combined with a type chromatography workstation, it completes bidirectional communication control and data processing.
Large capacity chromatographic column box(300×280×270)Easy to install multiple chromatographic packed columns for multidimensional chromatographic analysis.
GC112A-GTechnical parameters of gasoline aromatic hydrocarbon gas chromatograph

temperature control
Temperature control area: chromatography column box, injection box, thermal conductivity cell, six way valve
Temperature control range: above room temperature7℃-399℃(increment1℃)
Temperature control accuracy: superior to±0.1℃(200℃Time measurement)
Thermal conductivity pool detector(TCD)
Sensitivity:S>2000mVml／mg(Carrier gas:H2)
Noise:<20uV
Drift:<30uV/h