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  • Analyzing Volatile Organic Chemicals in Food: Emerging Trends and Recent Examples

    Thursday, February 14, 2013
    Technical Article
    David Barden
    The detection of volatile organic compounds (VOCs) is important for a variety of reasons, many of which stem either from the need to ensure that damaging chemicals are controlled or eliminated, or the... read more

  • Person-Portable GC-MS for Rapid On-Site Environmental Screening of Contaminants in Drinking Water

    Tuesday, July 31, 2012
    Application Note
    Tiffany C. Wirth Jakob B. Later Joseph L. Oliphant Edgar D. Lee Douglas W. Later
    Trihalomethanes (THMs) are formed when chlorine and other disinfectants are used to clean drinking water. At certain concentrations they are considered an environmental pollutant and are carcinogenic.... read more

  • Light-Emitting Diodes: A New Solution for Fluorescence

    Saturday, October 01, 2011
    Technical Article
    Barbara Foster
    From the dramatic increase in new fluorophores to the proliferation of techniques like total internal reflection fluorescence (TIRF), photoactivated localization microscopy (PALM), and stochastic... 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
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