Expert Solutions for Trace Gas Analysis...
Expanded Support Across the U.S.

Trace Gas Analytical Experts

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RJ Lee Group's experienced scientists team with IONICON, the leading producer of trace gas analysis solutions, to support real-time trace gas analysis applications.


LOGO-IONICON_white_ssRJ Lee Group, Inc. is a U.S. distributor for Austrian-based Ionicon Analytik GmbH for the sales and service of its flagship products – PTR-MS – trace gas analyzers based on Proton Transfer Reaction - Mass Spectrometry.

Ionicon Has the Reputation

Market-leading products with on-line and real-time, single digit ppt-level detection limits. Learn more about the Ionicon product portfolio and PTR-MS advantage at

We Have the Experience

RJ Lee Group has extensive experience with PTR-MS technology and its applications.

  • As researchers, team members developed applications for the PTR-MS.
  • As support specialists, they continue to play a key role in its marketing and development.

You Have Our Support


Local Sales
Pittsburgh, Pennsylvania (East) and Pasco, Washington (West). 

Domestic Service
Trained service technicians dispatched throughout the U.S.

Laboratory Services
Using the PTR-MS or other requested mass spectroscopy techniques.

Mobile Solutions
Mobile laboratory solution for field deployments of PTR-MS technology.

Contact Us

For IONICON solutions in the U.S. please use the form to the right.