Manufacturer: Shanghai Yidian (Shanghai Precision Scientific Instrument Upper Branch)

1） Analysis, monitoring, and research of trace toxins in environmental protection, air pollution, water sources, and other pollutants 2） Biochemistry, clinical applications, pathology, and toxicology research 3） Analysis and Study of Trace Components in Food Fermentation, Microorganisms, and Beverages 4） Analysis of raw materials, intermediates, and finished products of Chinese and Western medicines 5） Analysis, control, and exploration research on petroleum processing, petrochemicals, petroleum geology, and oil composition 6） Composition research and production control in the fields of organic chemistry and organic synthesis: 7） Analysis and Research on Health Quarantine, Labor Protection, and Pollution Detection 8） *Monitoring, Control, and Research in Science and Military Science

GC122Technical parameters of gas chromatograph:

Temperature control range: above room temperature7℃-400℃(increment1℃)
Temperature controlled objects: column box, ionization chamber, thermal conductivity cell, samplerASample injectorBAssist(standby)
Number of ascending orders: Five orders
Cheng Sheng rate:0.1℃-40℃／min(increment0.1℃)
GC-FID(FID)：
Sensitivity:M≤1×10-11g/s(Sample:C16)
*Test results:M≤5×10-12g/s

GC122Main features of gas chromatograph:

Newly designed high-performanceHRGC.
instrument(Basic type)Equipped with doubleFIDDetector, optionalGCl22-TCDThermal conductivity detector,GCl22-ECDElectronic capture detector,GCl22-NPDNitrogen and phosphorus detector,GCl22-FPDFlame photometric detector, converter, gas injection valve and other accessories
instrument(Basic type)Featuring a dual packed column, dual injector, and dual gas path system structure, it can effectively suppress baseline fluctuations and drift in real-time, making it suitable for temperature programmed analysis; The instrument can install three types of detectors simultaneously, with different combinations of detectors used for different applications, and can achieve series and parallel operation of detectors
instrument(Basic type)Equipped with a complete capillary analysis system and an independent capillary splitter sampler(Including diaphragm cleaning, diversion, and tail blowing adjustment)Optional capillary diversion/Non split injector, cold column inlet injector0.53mmLarge caliber capillary direct sampler. Suitable for capillary columns of various diameters, specifications, and lengths, such as glass and flexible quartz glass
The instrument pneumatic system adopts high-precision calibrated flow stabilizing valves, pressure stabilizing valves, and needle valves. Flow regulation is convenient and intuitive, with good reproducibility and stability.
The instrument can achieve the following multiple injection methods:
Fill column: Sample injection on the column, instantaneous vaporization injection, gas injection
Capillary Column: Split Flow Injection, Non Split Flow Injection, Large Diameter Capillary Column Direct Injection
A newly developed microcomputer temperature control system. Capable of achieving high precision in six heating zones simultaneously, including column box, ionization chamber, thermal conductivity cell detector, capillary injector, and packed column injector auxiliary (backup)(be better than±0.1℃)Wide range (maximum height up to)400℃）Temperature control, temperature overshoot and deviation less than2℃Or lower
The column box can achieve five stage programmed temperature control, with the highest heating rate reaching40℃/min
The system has functions such as power-off protection, temperature limit setting, temperature scanning, rapid automatic cooling, and rear door opening
Open microcomputer temperature control system optionalRS-232Communication board andFJ-2000Chromatography workstation, realizing bidirectional communication control and data processing between chromatography workstation and instrument
Full mirror stainless steel large capacity column box(350mm×280mm×300mm)Can simultaneously install capillary columns and double packed columns; The internal heating wire structure is more conducive to quartz capillary column analysis