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  • A Microwave Sample Preparation Procedure for the Commercial Testing Lab

    A Microwave Sample Preparation Procedure for the Commercial Testing Lab

    Friday, February 15, 2013
    Technical Article
    Sumedh Phatak
    Commercial testing laboratories that offer services for trace metals analysis have realized a variety of potential growth opportunities given the current passing of various local and international ... read more
  • HPLC 2012: New Mysteries in Column Efficiency

    HPLC 2012: New Mysteries in Column Efficiency

    Monday, October 01, 2012
    Technical Article
    Robert L. Stevenson
    HPLC is the premier meeting series for liquid chromatographers to gather to learn about the latest advances in technology and applications. read more
  • Rapid, Robust, and Sensitive Detection of 11-nor-Δ9-Tetrahydrocannabinol-9-Carboxylic Acid in Hair

    Rapid, Robust, and Sensitive Detection of 11-nor-Δ9-Tetrahydrocannabinol-9-Carboxylic Acid in ...

    Thursday, September 01, 2011
    Technical Article
    Bernhard Rothweiler, Fred Feyerherm, David Engelhart, Stephan Baumann
    Testing hair for drugs of abuse has been practiced for over 50 years, due in large part to the ability to detect drug use over a longer period of time, as compared to other biological matrices, ... read more
  • Increased Throughput in Method 8270 Analysis

    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

    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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