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  • Technical Advances in Proton Transfer Reaction-Mass Spectrometry and New Fields of Application

    Thursday, September 01, 2011
    Technical Article
    Philipp Sulzer Alfons Jordan Lukas Märk Christopher A. Mayhew Kurt Becker Tilmann D. Märk
    Scientists at the Institute of Ion Physics at the University of Innsbruck (Austria) started their research on proton transfer reaction-mass spectrometry (PTR-MS) in the early 1980s, including hollow ... read more

  • Pittcon® 2011 Exposition: New Product Introductions in Optical Spectroscopy and Mass Spectrometry

    Monday, May 09, 2011
    Technical Article
    George M. Frame II Eileen M. Skelly Frame
    Of the 979 exhibitors at Pittcon® 2011, held March 13–18 in Atlanta, GA, 115 were first-time exhibitors, and more than 200 identified themselves as having something to do with spectroscopy, from ... read more

  • Calorimetry: Getting the Winning Combination

    Wednesday, July 18, 2007
    Technical Article
    Ed Sullivan
    Ultrasensitive calorimetric instruments for measuring very small heats of reaction at constant temperature (isothermal titration calorimetry [ITC]) and small heat effects induced by temperature (... read more

  • Increased Throughput in Method 8270 Analysis

    Monday, January 01, 2007
    Application Note
    William D. Goodman Frank DeLorenzo
    Method 8270 is a GC-MS method created by the U.S. EPA Office of Solid Waste for the analysis of semivolatile organics by gas chromatography-mass spectrometry. read more

  • Automated Chemical Ionization in GC-MS

    Monday, January 01, 2007
    Application Note
    Chris Sandy Jean-Francois Garnier Bernhard Rothweiler Fred Feyerherm Sihem Ben Mahmoud Harry F. Prest
    Gas chromatography with mass spectrometric detection using chemical ionization (CI) has demonstrated great utility in a wide variety of application areas ranging from forensics to environmental to ... read more

  • Stability of Salicylic Acid and Magnesium Stearate by DSC

    Saturday, April 01, 2006
    Application Note
    Steven Sauerbrunn Lloyd MacPherson
    The first step in developing effective pharmaceutical formulations is the discovery of the active agent. read more

  • 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

    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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