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  • 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

  • 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

  • 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

  • Is Bottled Nitrogen a Greenhouse Gas?

    Saturday, March 01, 2008
    Application Note
    Peter Froehlich Rich Cardarople
    The level of greenhouse gases such as CO2 is believed by scientists to have a dramatic, unfavorable impact on worldwide climate change. read more

  • A Method for Determining Oxidation Stability of Petrodiesel, Biodiesel, and Blended Fuels

    Monday, February 18, 2008
    Application Note
    Andrea Neumann Thomas Jebens Volkmar Wierzbicki
    The diesel engine was developed in 1892 to allow the use of cost-saving diesel fuel. At the time, the production of diesel was a relatively simple single cut within the atmospheric distillation ... read more

  • Recovery of Styrene Monomer From Waste Polystyrene Using Catalytic Degradation

    Monday, February 18, 2008
    Application Note
    Jasmin Shah M. Rasul Jhan Abdur Rahim
    Polystyrene (PS) continues to be used worldwide because of its excellent physical properties and low cost. read more

  • An NPDES Distillation Method for Measuring Total Cyanide in Water

    Saturday, October 01, 2005
    Application Note
    John R. Sebroski Karin L. Bogren
    Used for total cyanide distillation, the MICRO DIST system was granted National Primary Drinking Water Regulations (NPDWR) approval in 2003 and is expected to receive nationwide Tier III approval for ... read more

  • LC-MS With Simultaneous Electrospray and Atmospheric Pressure Chemical Ionization

    Tuesday, March 01, 2005
    Technical Article
    Wayne P. Duncan Patrick D. Perkins
    Today, liquid chromatography-mass spectrometry with electrospray ionization (LC-ESI-MS) is increasingly being used as the technique of choice for high-throughput pharmaceutical analysis. read more

  • Multicapillary Columns for Chromatography

    Tuesday, March 01, 2005
    Technical Article
    Yuri P. Belov Marina M. Ulyanova Vladimir N. Sidelnikov
    The principles and theory of high-speed capillary chromatography have been known since the 1960s. To realize the maximum speed capabilities, it is necessary to use capillaries with a diameter of ... read more

  • Rapid Testing of Toxic Chemicals

    Tuesday, March 01, 2005
    Application Note
    Nathalie Boucher Lucie Lorrain Marie-Eve Rouette Elisabeth Perron Nancy Déziel Louis Tessier François Bellemare
    The measurement of chlorophyll fluorescent signals from photosynthetic enzyme complexes (PEC) has becomeone of the most powerful indicators for ecophysiologists. read more

  • Miniaturized FTIR for Maximized Productivity

    Tuesday, March 01, 2005
    Application Note
    Ken Fredeen John S. Seelenbinder Mark L. Norman
    In today’s fast-paced business environment, many companies are under pressure to improve their productivity. This is especially true in the pharmaceutical industry, where reducing time-to-market ... read more
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