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  • Methane—A Simple Gas with Complex Problems

    Methane—A Simple Gas with Complex Problems

    Tuesday, April 29, 2014
    Technical Article
    Robert L. Stevenson, Ph.D.
    Natural gas (NG), which is 90+% methane, heats half of America’s households and fuels many important industrial processes including production of electricity, fertilizer, and polymers. NG is collected... read more
  • Pittcon 2013®: Developments in Liquid Chromatography

    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
  • Advances in Liquid Phase Separation at Pittcon® 2012

    Advances in Liquid Phase Separation at Pittcon® 2012

    Monday, May 07, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    Eight years have passed since Waters introduced the ACQUITY UPLC®. This is a long life cycle for a groundbreaking instrument. read more
  • Separation Science Highlights From Pittcon® 2011

    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
  • UHPLC’s Seven Year Itch: Quo Vadis?

    UHPLC’s Seven Year Itch: Quo Vadis?

    Tuesday, April 12, 2011
    Technical Article
    Robert L. Stevenson, Ph.D.
    At Pittcon in 2004, Waters (Milford, MA) introduced the ACQUITY UPLC chromatograph with a 15,000-psi Pmax, and the rest of the LC world had to play an intense game of catch-up. read more
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