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  • Applications of PTR-MS in Medicine and Biotechnology

    Tuesday, June 14, 2011
    Technical Article
    Wolfgang Singer Jens Herbig Rene Gutmann Klaus Winkler Ingrid Kohl Armin Hansel
    Proton transfer reaction-mass spectrometry (PTR-MS) is a well-established analytical tool for the measurement of volatile organic compounds (VOCs), and offers real-time detection and ... read more

  • Methane—A Simple Gas with Complex Problems

    Tuesday, April 29, 2014
    Technical Article
    Robert L. Stevenson, Ph.D.
    Natural gas (NG), which is 90+% methane, heats half of America’s households and fuels many important industrial processes including production of electricity, fertilizer, and polymers. NG is collected... read more

  • Trace-Gas Analysis With Cantilever-Enhanced Photoacoustic Spectroscopy

    Monday, July 25, 2016
    Application Note
    Jaakko Lehtinen Veli-Matti Kittilä Aleksandra Karimaa Ismo Kauppinen
    Photoacoustic spectroscopy (PAS) is based on the conversion of optical energy to thermal energy. read more

  • The Myths and Truths of Measuring Pure Water

    Monday, November 07, 2016
    Application Note
    Gayle Gleichauf Kim Knepper
    Techniques such as liquid chromatography and mass spectrometry require ultrapure water (UPW) for trace-level analysis. read more
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