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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

  • Acidic Digestion of Soils to Determine Mercury Concentration

    Friday, June 01, 2007
    Technical Article
    Pamela F. Heckel Tim C. Keener
    Soils are notoriously heterogeneous and difficult to analyze. The authors developed a digestion method to extract mercury from clay soils using relatively inexpensive cold vapor atomic absorption ... 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

  • Rapid Determination of Nine Chemotherapeuticals in Animal Feed by HPLC-DAD Using a Monolithic Column

    Thursday, June 01, 2006
    Technical Article
    Rita Bibi Gloria R. Tovo Ivan Pecorelli
    Chemotherapeuticals as feed additives were widely used in the European Union to prevent and control many diseases in food-producing animals, read more
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