Thermo Scientific™

PreCon Automated Trace Gas Pre-Concentrator

 Related applications:
Industrial Mass Spectrometry
Solve the problem of large trace gas sample sizes in gas isotope ratio MS with the Thermo Scientific™ PreCon automated trace gas pre-concentrator.  Isotope ratio analysis of trace gases such as atmospheric N2O or CH4 can be hampered by the need for very large sample volumes. For example, 13C/12C measurement of CH4 can require 70L of air. The PreCon automated trace gas pre-concentrator reduces sample volume by up to three orders of magnitude and improves sample throughput by at least one order of magnitude.

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Description

Make Trace Gas Analysis Easier
  • Attaches to a Thermo Scientific™ GC IsoLink™ or Thermo Scientific™ GasBench II interfaced to a Thermo Scientific gas isotope ratio MS
  • Both CH4 (13C/12C) and N2O (15N/14N and 18O/16O) can be measured at natural concentrations (CH4: 1700 ppb; N2O: 330 ppb) in air sample volumes <100mL
  • Carries out sample concentration and purification (removal of H2O, CO2 and condensable (for CH4) and noncondensable (for N2O) gases), cryofocusing, and injection onto a gas chromatograph
  • For CH4, combustion in a special combustion oven with 100% combustion efficiency and a CO2 pre-concentration step are added prior to cryofocusing
  • Samples are bracketed by reference pulses from the automated reference gas injection system, allowing highly precise isotope ratio determination
  • Can be loaded manually or operated fully automated using the Thermo Scientific™ GC-PAL™ autosampler with a two line needle for continuous sample transfer
  • All processes are controlled and can be expanded by user-definable ISL scripts in the Thermo Scientific™ Isodat™ software suite

Specifications, terms, and pricing are subject to change. Not all products are available in all countries. Please consult your local sales representative for details.
Specifications, terms, and pricing are subject to change. Not all products are available in all countries. Please consult your local sales representative for details.


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Manuals & protocols