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DVLS Automatic Air Monitoring Analyzer

The A2MA instrument has been developed for the automated in situ determination of airborne volatile organic compounds (VOCs) using programmed temperature vaporisation injection from a sorbent tube trap. A sorbent tube placed as an injection port liner can be repeatedly used to collect samples of air, with the trapped analytes being subsequently desorbed onto a capillary gas chromatography (GC) column without use of intermediate cryogenic refocussing.

  • KEY BENEFITS
  • TEST METHOD
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  • IN ACTION
  • Determination of airborne volatile organic compounds (VOCs)
  • Automation of sample collection and the elimination of the intermediate refocussing step
  • VOC in air can be monitored with a relative standard deviation (%RSD, 8 runs at 8 - 70 µg/m3) of typically 1 - 5 % and an Instrument Detection Limit (IDL) in the range of 0.5 - 6 µg/m3.
  • Automated in situ determination of VOC's
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