Article Archives

Filter

Hide Filter

  • 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

  • Product Intelligence: Solid Phase Extraction Systems

    Monday, February 25, 2013
    Technical Article
    Solid phase extraction, or SPE, is used to isolate pollutants in water and pesticides in food, isolate drugs in blood and tissue samples, and separate proteins from a mixture, among other applications... read more

  • Increasing Throughput and Recoveries for Highly Particulate and Sediment Laden Aqueous Samples Using...

    Tuesday, October 09, 2012
    Application Note
    David Gallagher Michael Ebitson
    Samples that contain large amounts of sediment or particulates are difficult to extract using U.S. EPA Method 3535 (SPE, solid-phase extraction). While a standard 47-mm SPE disk is able to process a ... read more

  • Product Intelligence: Rheometry Buyers' Guide

    Sunday, January 01, 2012
    Technical Article
    Jeffrey M. Perkel
    This article is a valuable guide to choosing a rheometer including application, ease of use, configurability, viscosity range, and geometry type. Among the basic types discussed are a rotational ... 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

  • 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
  • <<
  • >>