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  • Choosing Conservation Over Conversion: The Great Helium Debate

    Thursday, May 23, 2013
    Application Note
    Frank Kandl Reginald Bartram
    In recent months, the growing shortage of helium has gained national attention and raised concerns of availability and cost among users. Laboratories in particular rely on helium for analytical ... read more

  • Selecting Gas Delivery Systems for Safety, Performance, and Cost-Efficiency in the Laboratory

    Friday, August 03, 2012
    Application Note
    Larry Gallagher
    In almost any laboratory or research and scientific facility, there are numerous devices, instruments, or processes that require gases to run the instrumentation or process or to calibrate the ... 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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