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  • 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

  • Reintroducing Countercurrent Chromatography to the Chemist

    Friday, October 24, 2008
    Application Note
    David Keay Philip Wood
    Ever since chemists began using separating funnels to isolate compounds by partitioning, they have understood the potential benefits of liquid/liquid chromatography, known today as countercurrent ... read more

  • Drying of Problematic Purification Samples by Lyophilization in a Centrifugal Evaporator

    Monday, June 13, 2011
    Application Note
    Induka Abeysena Rob Darrington
    Lyophilization is often the preferred method of sample drying because a high level of dryness is achieved with low residual solvent levels, and because of the light, powdery, “fluffy” finish of the ... read more

  • Pittcon 2013®: Developments in Liquid Chromatography

    Monday, May 13, 2013
    Technical Article
    Robert L. Stevenson, Ph.D.
    The first commercial liquid chromatograph was probably an amino acid analyzer. These ion exchange chromatographs were so specialized that they had almost no impact on chemical analysis outside of ... read more
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