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  • The Story of MALS

    The Story of MALS

    Saturday, October 05, 2013
    Technical Article
    Philip J. Wyatt
    The concept of measuring light scattered from a solution at each of a plurality of angles simultaneously began in late 1976 in a very unlikely application. At that time, scientists from Science ... read more
  • A Sensitive and Selective GC/MS Method for Analyzing Persistent Organic Pollutants Using a Novel Ionization Source

    A Sensitive and Selective GC/MS Method for Analyzing Persistent Organic Pollutants Using a Novel ...

    Friday, October 04, 2013
    Application Note
    Jody Dunstan
    Charge transfer chemical ionization (CI) was among the ionization types studied decades ago by researchers investigating fundamental Characteristics of chemical ionization. However, the technique was ... read more
  • Focus on Separation Science at Pittcon® 2012: Advances in Gas Chromatography

    Focus on Separation Science at Pittcon® 2012: Advances in Gas Chromatography

    Monday, May 07, 2012
    Technical Article
    Robert L. Stevenson
    For gas chromatography (GC), the big news at Pittcon® 2012 was the absence of Agilent and PerkinElmer. This was a consequence of an overall downsizing caused by the “six-year effect” where the cycles ... read more
  • Food Safety Testing and New Technologies

    Food Safety Testing and New Technologies

    Friday, February 03, 2012
    Application Note
    Mukta M. Shukla
    Just as Alexander Fleming’s groundbreaking discoveries on penicillin ushered in a new era of antibacterial agents to extend human lifespans, it was the work of Louis Pasteur that helped introduce the ... read more
  • Focus on Columns and Consumables at Pittcon® 2011

    Focus on Columns and Consumables at Pittcon® 2011

    Tuesday, May 10, 2011
    Technical Article
    Robert L. Stevenson
    Columns, chemicals, and consumables (CCCs) account for more than 30% of the chromatography market. read more
  • Effective UPLC Implementation

    Effective UPLC Implementation

    Wednesday, April 06, 2011
    Technical Article
    Mark Dawson
    As the science of HPLC has evolved over the years, we have witnessed many changes to HPLC chemistry and instrumentation. read more
  • A New-Generation Microwave Digestion System

    A New-Generation Microwave Digestion System

    Friday, January 28, 2011
    Application Note
    Carl Chan
    Since the laboratory microwave digestion system first became commercially available in the 1980s, sample preparation has become mainstream, and the preparation of samples for atomic spectroscopy has ... read more
  • A Multifrequency Temperature-Modulated Technique For DSC

    A Multifrequency Temperature-Modulated Technique For DSC

    Sunday, January 01, 2006
    Application Note
    Markus Schubnell, Christoph Heitz, Thomas Hütter, Steven Sauerbrunn, Juergen E.K. Schawe
    In conventional differential scanning calorimetry (DSC), a sample is subjected to a temperature program with a constant heating rate. As a result, the DSC instrument delivers an output signal, which, ... read more
  • A High-Sensitivity Sensor for DSC

    A High-Sensitivity Sensor for DSC

    Friday, August 05, 2005
    Application Note
    Rudolf Riesen, Blaine Weddle
    A dramatic increase in sensitivity at low signal noise without a significant loss in signal resolution has been achieved with the HSS7 high-sensitivity sensor. read more
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