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  • Scientific Imaging: To Sharpen or Obscure?

    Monday, October 01, 2012
    Technical Article
    Jerry Sedgewick
    In the world of scientific imaging, the matter of whether or not to sharpen an image can pose an ethical question: Does sharpening change the essential nature of the image? 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

  • Mercury Measurements: Overcoming Contamination and Interferences to Enable the Correct Measurements ...

    Thursday, December 01, 2005
    Application Note
    Peter B. Stockwell Warren T. Corns Derek W. Bryce
    Interest and concern about the levels of mercury in its various forms in the environment have been well documented over the last 50 years. read more
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