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  • Working Flow Rate: How to Compare Vacuum Pumps

    Friday, May 17, 2013
    Application Note
    Peter Coffey
    To compare vacuum pumps, it is imperative to look at the pumping speed at working vacuum levels. The working vacuum level is the vacuum at which you need to operate your application. Comparing the ... read more

  • Exhibition of Chromatography Columns at Pittcon® 2013

    Friday, May 10, 2013
    Technical Article
    Robert L. Stevenson, Ph.D.
    The technology and market for liquid chromatography columns continue to mature, with applications-specific columns on the rise. The chromatography columns target specific assays in the clinical ... read more

  • New Instrumentation and Applications at HPLC 2012

    Friday, August 10, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    A marketplace is usually dynamic, with a cross-current of disparate interests meeting to find mutual satisfaction. read more

  • Product Intelligence: Laboratory Vacuum Pump Buyers' Guide

    Monday, July 16, 2012
    Technical Article
    Emily S. Tozzi
    Chemistry and life science laboratories utilize lab vacuum pumps for applications such as providing suction to drive the aspiration or filtration of liquid or suspended samples, and inducing or ... read more

  • Focus on Separation Science at Pittcon® 2012: Advances in Gas Chromatography

    Monday, May 07, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    For gas chromatography (GC), the big news at Pittcon® 2012 was the absence of Agilent and PerkinElmer. This was a consequence of an overall downsizing caused by the “six-year effect” where the cycles ... read more

  • Focus on Columns and Consumables at Pittcon® 2011

    Tuesday, May 10, 2011
    Technical Article
    Robert L. Stevenson, Ph.D.
    Columns, chemicals, and consumables (CCCs) account for more than 30% of the chromatography market. 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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