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  • Trace-Gas Analysis With Cantilever-Enhanced Photoacoustic Spectroscopy

    Monday, July 25, 2016
    Application Note
    Jaakko Lehtinen Veli-Matti Kittilä Aleksandra Karimaa Ismo Kauppinen
    Photoacoustic spectroscopy (PAS) is based on the conversion of optical energy to thermal energy. read more

  • Sample Prep for LC, GC, and SFC at Pittcon® 2013

    Friday, May 10, 2013
    Technical Article
    Robert L. Stevenson, Ph.D.
    At Pittcon® 2013, sample prep stood out as a major focus, perhaps because of the few advances in chromatography instrumentation. In addition, some sample preparation is spilling over into other ... read more

  • Sample Processing at Pittcon® 2014

    Tuesday, May 06, 2014
    Application Note
    Robert L. Stevenson, Ph.D.
    The tenfold increase in speed for the analytics (GC, HPLC, and SFC [supercritical fluid chromatography], all with MS) over the last decade has shifted the choke point in many workflows from analytics ... read more

  • The Myths and Truths of Measuring Pure Water

    Monday, November 07, 2016
    Application Note
    Gayle Gleichauf Kim Knepper
    Techniques such as liquid chromatography and mass spectrometry require ultrapure water (UPW) for trace-level analysis. 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

  • 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
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