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  • Analysis of Protosappanin B in Sappan Lignum by Capillary Zone Electrophoresis

    Tuesday, September 23, 2014
    Application Note
    Luzhi Sui Xiangqian Hou Xinmin Li Dunqing Wang
    Sappan Lignum, the dried heartwood of Caesalpinia sappan L, has been used as an herbal medicine since ancient times. Sappan Lignum promotes blood circulation; removes blood stasis; reduces swelling, ... read more

  • Automatic Motorized Leveling of Laboratory Balances

    Friday, October 04, 2013
    Application Note
    Thomas Pertsch
    A fundamental rule for using high-resolution balances in pharmaceutical laboratories is that the instrument be level at all times. If the lab balance is not level, it cannot accurately measure objects... read more

  • Product Intelligence: Do Your Work Cleanly With Gloveboxes

    Monday, February 06, 2012
    Technical Article
    James Netterwald
    This guide to purchasing gloveboxes points out a number of important considerations, such as safety, configuration, ergonomics, and application. An isolation box is best suited for some applications, ... 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

  • Performance-Tested Controlled Atmosphere Glove Boxes

    Tuesday, February 01, 2011
    Application Note
    Bob Applequist
    Enhanced particulate containment is an important feature of Protector® Filtered Glove Boxes (Labconco Corp., Kansas City, MO). read more
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