Learn more about PTR-MS instruments and the technique behind these instruments | IONICON

The World's Leading PTR-MS Trace Analyzers Company

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Documentation & Knowledge

Our experience is your benefit!

We're continuously committed to improving our technologies and develop new tools. Learn how PTR-MS works, about our proprietary SRI reagent ions or the patented TRU-E/N ion-chemistry quality. All our innovations improve your experience with our instruments, make them more versatile and more performant.

PTR-MS

Benefits of Proton Transfer Reaction - Mass Spectrometry

PTR-MS (Proton Transfer Reaction – Mass Spectrometry) is the benchmark method for simultaneous real-time monitoring of volatile (organic) compounds (VOCs) without sample preparation in very low concentrations. We're the…

SRI-MS

Benefits of Selective Reagent Ionization - Mass Spectrometry

SRI-MS is an IONICON exclusive technology allowing to automatically switch between different reagent ions for chemical ionization direct injection mass spectrometry. Currently the the range of selective reagent ions…

PTR3

The Method, Hardware and Performance of the PTR3

The PTR3 detects volatile organic compounds and their oxidation products including highly-oxygenated organic molecules (HOMs) down to ppqV levels.

Essentials of IONICON PTR-MS

Important Ion Chemistry Quality Dimensions

The 4 essential cornerstones that determine the IONICON-grade, patented PTR-MS ion chemistry quality

CHARON

CHARON PTR-TOFMS: The all-in-one online analyzer technology

Quantitatively detect sub-µm particulate organic matter in sub-ng m-³ mass concentrations in real-time with the new CHemical Analysis of aeRosol ON-line (CHARON) particle inlet coupled to your IONICON PTR-TOFMS…

Expert Information

The technologies we use in our solutions: PTR-MS, SRI-MS, SRI+...explained

An IONICON PTR-MS system consists of 3 main parts: - Ion Source - Drift Tube - and a Mass Spectrometer

Quad vs. TOF

The Analyzer for your Analytical Instrument

Since 1998 IONICON produces and develops PTR-MS instruments. Nowadays nearly all our analytical instruments are based on a TOF-MS. Learn why below and decide what type of detector is the best for your analytical…

From SIFT-MS to PTR-MS and PTR-TOF

An Evolution that Resulted in Perfection

From SIFT to advanced PTR-MS technology and ultimate performance PTR-TOF trace gas analyzers

AMC - Airborne Molecular Contamination

Definition and Sources of AMC

Airborne Molecular Contamination, definition and sources in the semiconductor industry

IONICON PTR-TOFMS series Performance

Ultimate Performance in mass resolution, sensitivity and detection limits

From the smallest and most affordable PTR-TOF 1000 to our X2 series products with market leading sensitivities. Learn more about typical IONICON instrument performance!