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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

  • How Solid-Phase Extraction Affects Challenges in Bioanalysis

    Wednesday, February 05, 2014
    Application Note
    Mike Oliver Tim Liddicoat Ken Meadows
    Modern bioanalytical laboratories are tasked with providing high-quality analytical results from complex biological samples in a high-throughput environment. These needs have to be balanced with the ... 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

  • Laboratory Automation: 2013–2017

    Friday, November 23, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    Laboratory automation is changing the work flow in biochemical and chemical laboratories. read more

  • Optimizing HPLC Sample Preparation

    Monday, February 06, 2012
    Technical Article
    Caitlin Smith
    Sample preparation is an important component for analysis in high-performance liquid chromatography (HPLC)/ultra high-performance liquid chromatography (UHPLC). This article outlines commonly used ... read more

  • Analysis of Piperine in Peppers Using On-Line SFE-UHPLC With Photodiode Array Detection

    Tuesday, February 01, 2011
    Application Note
    Takayuki Yamaguchi Kazutoshi Kamezawa Keijin Iwaya Yasuyo Sato Toshihiko Miyaji Masao Bounoshita David J. Tognarelli Muneo Saito
    Ultrahigh-performance liquid chromatography (UHPLC) is a separation technique that utilizes columns packed with microparticles (<2 µm in diameter), as provided by the xtreme liquid chromatography (x-lc™) system (jasco corp., tokyo, japan) µm="" in="" diameter),="" as="" provided="" by="" the="" xtreme="" liquid="" chromatography="" (x-lc™)="" system="" (jasco="" corp.,="" tokyo,="">... read more

  • Determination of Mercury in Slag and Cement Using a Mercury Analyzer

    Friday, January 28, 2011
    Application Note
    Sang-Ho Nam Yu-Na Kim Jin-Su Na Keun-Hyeok Yang
    Mercury is one of the most toxic elements in the environment. Humans are exposed to mercury through the inhalation of mercury vapor, ingestion of drinking water, and consumption of fish. read more

  • Statistics in Analytical Chemistry: Part 37—Deviations, Errors, and Intervals (Oh My!)

    Thursday, February 18, 2010
    Technical Article
    David Coleman Lynn Vanatta
    For the past seven years, this column has chiefly presented basic material related to a single theme: regression analysis of analytical data and the associated uncertainty. read more

  • Environmental Applications of a UHPLC System: The Evolution of Chromatography

    Monday, February 01, 2010
    Technical Article
    Imma Ferrer E. Michael Thurman
    Ultrahigh-performance liquid chromatography (UHPLC) has brought two important innovations to LC-MS analysis. First is the use of 1.8-µm columns, which provides an increase in plate number from the 5-... read more

  • The Missing Link Between HPLC and UPLC Technology

    Monday, February 01, 2010
    Application Note
    William Foley Beth Gildea Thomas E. Wheat
    Having proven its performance and reliability under extremely rigorous conditions for the most demanding applications, UPLC technology has brought routine benefits to increasing numbers of scientists,... read more

  • The Use of Gel Permeation-Chromatography for the Cleanup of Samples in the Analytical Laboratory

    Monday, February 01, 2010
    Application Note
    Wendy Rasmussen
    Gel permeation chromatography (GPC) is a subset of a very common technique called size exclusion chromatography (SEC), which involves the separation of molecules by their hydrodynamic volume in ... read more

  • The Future of Rapid On-Line Measurement

    Monday, February 01, 2010
    Application Note
    Aubrey Lambert
    Fiber optic technology has already radically altered the telecommunications field, by carrying highly multiplexed data at great speeds over vast distances. Now these capabilities have been packaged ... read more

  • Pressurized Capillary Electrochromatography: Instrumentation, Columns, and Applications

    Monday, February 01, 2010
    Technical Article
    Yi Wu Yuhong Wang Zhenzhen Zhao Kongxian Wu Yan Wang Chao Yan
    Capillary electrochromatography (CEC) is a miniaturized, hybrid separation technique that combines micro-high-performance liquid chromatography (µHPLC) and capillary electrophoresis (CE). The driving ... read more
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