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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

  • Is Bottled Nitrogen a Greenhouse Gas?

    Saturday, March 01, 2008
    Application Note
    Peter Froehlich Rich Cardarople
    The level of greenhouse gases such as CO2 is believed by scientists to have a dramatic, unfavorable impact on worldwide climate change. read more

  • A Method for Determining Oxidation Stability of Petrodiesel, Biodiesel, and Blended Fuels

    Monday, February 18, 2008
    Application Note
    Andrea Neumann Thomas Jebens Volkmar Wierzbicki
    The diesel engine was developed in 1892 to allow the use of cost-saving diesel fuel. At the time, the production of diesel was a relatively simple single cut within the atmospheric distillation ... read more

  • Recovery of Styrene Monomer From Waste Polystyrene Using Catalytic Degradation

    Monday, February 18, 2008
    Application Note
    Jasmin Shah M. Rasul Jhan Abdur Rahim
    Polystyrene (PS) continues to be used worldwide because of its excellent physical properties and low cost. read more

  • Increased Throughput in Method 8270 Analysis

    Monday, January 01, 2007
    Application Note
    William D. Goodman Frank DeLorenzo
    Method 8270 is a GC-MS method created by the U.S. EPA Office of Solid Waste for the analysis of semivolatile organics by gas chromatography-mass spectrometry. read more

  • Automated Chemical Ionization in GC-MS

    Monday, January 01, 2007
    Application Note
    Chris Sandy Jean-Francois Garnier Bernhard Rothweiler Fred Feyerherm Sihem Ben Mahmoud Harry F. Prest
    Gas chromatography with mass spectrometric detection using chemical ionization (CI) has demonstrated great utility in a wide variety of application areas ranging from forensics to environmental to ... read more

  • An NPDES Distillation Method for Measuring Total Cyanide in Water

    Saturday, October 01, 2005
    Application Note
    John R. Sebroski Karin L. Bogren
    Used for total cyanide distillation, the MICRO DIST system was granted National Primary Drinking Water Regulations (NPDWR) approval in 2003 and is expected to receive nationwide Tier III approval for ... read more
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