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Gas Chromatography GC-2020

Gas Chromatography GC-2020

This Gas chromatography system is standard PC control software and built-in chromatography workstation together to performance-control via PC and synchronous bidirectional control with touch screen on the GC. Gas chromatography provides a quantitative analysis of volatile and semi-volatile organic compounds found in a variety of matrices (gases, liquids and solids) in foods, medical, materials, plastics, environmental samples and occupational monitoring samples

Thermal Conductivity Detector (TCD):
TCD detects using difference of thermal conductivity of between sample and carrier gas. Generally, Helium is used as carrier gas. However, Helium has a high thermal conductivity constant number. When the target compound is He and H2, N2 or Ar is used as carrier gas. All compounds have each unique thermal conductivity constant as shown below. When thermal conductivity of target compound is larger than the carrier gas, peak is detected as a negative value. TCD can detect most compounds except for carrier gas but its sensitivity is not as high as compared other GC detectors, it has almost the lowest sensitivity

Flame Ionization Detector
It is used for almost all organic compounds, which have C- H or C- N structure. There are several exceptions such as CO, CO2 and CS2 which are non-organic compounds that cannot be detected. Carbonyl group and C=O carbon atom of carboxyl group are also not detectable. FID can detect most hydrocarbons which have a C-H bond in its structure, except for HCHO and HCOOH, CHOOH and acetaldehyde (CH3CHO) respectively, and have one more carbon. They are detectable because a carbon of C-H exists in addition to C=O. FID is mainly used to analyze organic compounds and overall, it is a stable and highly sensitive detector, used in various fields

Catalog
  • One Key start up function
  • The 7-inch color touch screen on the GC can display the flow rate and pressure value of electronic gas path
  • Advance electronics architecture based on latest micro controllers Injectors and Detector settings
  • Rapid, quantitative, cost effective and compound specific
  • Can be performed with minimal sample preparation or clean up
  • Gas saver capabilities
  • The multi core, 32-bit embedded hardware system ensures the reliable operation of the instrument
  • Self-diagnosis and high safety measures
  • The memory function can store 20-sample test modes.
  • RS 232 communication port and LAN port.
Temperature Control
AreaColumn oven, sampler, detector
Range15 0C ~ 399 0C above room temperature (increment: 1 0C)
AccuracyBetter than ± 0.1 0C (measured at 2000C)
Injection On-column injection, Instantaneous vaporization injection, gas injection
Oven Large capacity oven (300mmx280mmx270mm) facilitates the installation of packed column
Column The single gas system and precise scale pneumatic control value, contribute to excellent reproducibility and stability and can perform analysis of packed column
Detector-Flame Ionization Detector (FID)
Detection LimitDt≤1x10-10 g/s(octane and hexadecane)
Baseline drift≤ 2 x 10-12 A/h
Linear Range≥ 106
Max. limit temperature4000C
Safety Norms Self-diagnosis, power protection, oven temperature protection and auto ignition
Software Advanced Chromatography workstation can work together to process data
Power 220V~±22V 50 Hz ± 0.5Hz, ≤ 1500W
Dimension 945mm x 655mm x 750mm
Weight 70 Kg
Flame-ionization detectors (FID) and Thermal conductivity detectors (TCD) are useful for determining the concentration of specific compounds
  • Quantification of bulk gases methane, carbon dioxide, carbon monoxide, N2,O2, Ethane, Propane, Acetylene, Ethylene and helium
  • Quantification of hydrogen sulphide, mercaptans, DMS and carbon disulphide
  • Characterization and quantification of oils and fuels and phthalates
  • Quantification of bulk gases in landfill and biogas
  • Quantification of sulphurous compounds in landfill gas and biogas
  • Determination of carbon monoxide for landfill underground fires
  • Determination of TPH content of wastes
  • Determination of phthalate content in children toys and packaging for medical devices
TCD: Its main application is analysis of permanent gases it can analyze the compounds that are undetectable using FID, such as water, formaldehyde, and formic acid etc.
Typical Industries:
  • Medical devices
  • Automotive
  • Materials
  • Waste water treatment plants
  • Pharmaceutical
  • Food and Beverages
  • Environmental
  • Petrochemical
  • Chemicals
  • Energy and Gas.

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Spectrophotometers are widely used for colorimetric applications in various fields of biochemistry, physics and chemical industries. We carry wide array of products suitable for all the specific needs including clinical, laboratory or research and industrial market.

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  •  +447979485982
  •  info@spectrophotometers.com

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