Organoflouride Impurities

Analyzer Description

PDHID in series with TCD, internal vaporizer, 2-valves, 1-capillary column, 1-packed column, vacuum pump
Sample type:
High purity liquid and gas organoflourides
Compounds Separated:
Nitrogen, argon/oxygen composite, methane, carbon monoxide
Concentration Range:
1.00-500 ppm for nitrogen by PDHID
0.50-500 ppm for methane and carbon monoxide by PDHID
500 ppm – 5.00% for all components by TCD
Methods met:
Wasson-ECE W3335

Typical Chromatogram


Key Features and Benefits

  • Oxygen will be detected by the PDHID but will not be quantified. For accurate trace oxygen analysis an external oxygen sensor is required.
  • Internally purged diaphragm valves ensure no air contamination and the lowest detection limits possible.
  • Cryogenic cooling may be used to separate argon and oxygen.
  • On-board vaporizer converts liquid to gas phase prior to injection for more repeatable analysis.
  • Fused silica lined tubing ensures repeatability and the lowest detection limits.
  • PDHID and TCD in series provides wide detection range.
  • 11 minute analysis time.