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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: Homogenizers Buyers’ Guide

    Monday, August 06, 2012
    Technical Article
    T. Keith Brock
    The mechanical, pressure, and ultrasonic homogenizer represent the three primary methods used to blend, mix, disrupt, emulsify, disperse, and stir samples. This article explains the role of ... 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

  • Methodologies for Stabilization of Pharmaceuticals in Biological Samples

    Friday, July 01, 2005
    Technical Article
    Jiwen Chen Ganfeng Wang Jean-Marc Brisson Yunsheng Hsieh
    The instability of small drug molecules in biological fluids causes serious bioanalytical challenges, regardless of what type of powerful analytical technology is employed for the bioanalytical ... read more
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