Article Archives

Filter

Hide Filter

  • New Products for Gas Chromatography at Pittcon® 2014

    Tuesday, May 06, 2014
    Application Note
    Robert L. Stevenson, Ph.D.
    Pittcon® is changing rapidly. After decades where separation science including GC/MS and LC/MS dominated the meeting, a report by Dr. Matt Wilkinson in this issue demonstrates that optical ... read more

  • Advances in Gas Chromatography Instrumentation at Pittcon® 2013

    Friday, May 10, 2013
    Technical Article
    Robert L. Stevenson, Ph.D.
    The buzzwords for Pittcon® 2013 in gas chromatography instrumentation were “smaller,” “portable,” and “helium.” Despite the fact that some of the major vendors did not exhibit, others were on hand ... read more

  • Product Intelligence: High-Purity Gases on Demand: A Laboratory Gas Generators Buyers' Guide

    Thursday, May 24, 2012
    Technical Article
    T. Keith Brock
    Laboratory gas generators are a safer, more convenient, and more economical means of generating gases in the laboratory, and as such are a good alternative to cylinder-based gas sourcing. Because of ... read more

  • Generating Nitrogen for Nuclear Magnetic Resonance Spectroscopy

    Thursday, September 01, 2011
    Application Note
    Peter Froehlich Pat Kriwoy
    Nuclear magnetic resonance (NMR) spectroscopy is an extremely important tool in the elucidation of molecular structure and is commonly used to obtain information about the interaction between ... read more

  • Increased IEF Throughput Using a Dual-Electrode Assembly

    Tuesday, August 02, 2011
    Application Note
    Gary B. Smejkal Darren J. Bauer
    An isoelectric focusing (IEF) apparatus capable of operating at 12,000 V maximum voltage enables isoelectric focusing of proteins in immobilized pH gradients (IPGs) to be completed in less than 3 hr. read more

  • Separation Science Highlights From Pittcon® 2011

    Tuesday, May 10, 2011
    Technical Article
    Robert L. Stevenson, Ph.D.
    At Pittcon® 2011, most new products appeared to be evolutionary, not revolutionary. 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

  • High-Purity Water and pH

    Thursday, June 01, 2006
    Technical Article
    Estelle Riché Aude Carrié Nicolas Andin Stéphane Mabic
    pH influences the rate of many chemical and enzymatic reactions. read more
  • <<
  • >>