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  • Working Flow Rate: How to Compare Vacuum Pumps

    Friday, May 17, 2013
    Application Note
    Peter Coffey
    To compare vacuum pumps, it is imperative to look at the pumping speed at working vacuum levels. The working vacuum level is the vacuum at which you need to operate your application. Comparing the ... read more

  • Product Intelligence: Laboratory Vacuum Pump Buyers' Guide

    Monday, July 16, 2012
    Technical Article
    Emily S. Tozzi
    Chemistry and life science laboratories utilize lab vacuum pumps for applications such as providing suction to drive the aspiration or filtration of liquid or suspended samples, and inducing or ... read more

  • New Products at HPLC 2011

    Thursday, November 03, 2011
    Technical Article
    Robert L. Stevenson, Ph.D.
    Traditionally, the HPLC series of meetings has attracted most of the global leaders in separation science. read more

  • Taking Thermogravimetric Analysis to a New Level of Performance and Convenience

    Tuesday, January 03, 2006
    Technical Article
    George Dallas
    Thermogravimetric analysis (TGA) is an established technique for studying the thermal stability of materials and for determining and understanding their decomposition profiles. 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
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