Analytical chemistry – Page 59

  • Evans balance schematic
    Opinion

    The Evans balance

    2011-06-30T09:50:00Z

    Easy to use and robust, the Evans or JM balance has been on the market in various forms since 1974

  • Castor oil plant
    Podcast

    Ricin

    This highly effective natural poison has been linked to assassinations and as a tool for would-be terrorists

  • A photograph of green and blue lasers on optical table in physics laboratory
    Feature

    The terahertz gap: into the dead zone

    2007-03-01T10:36:00Z

    New materials are opening up applications for terahertz radiation in the physical, biological and medical sciences. Joe McEntee reports

  • Radiation warning sign reading "Walk in and drive in forbidden", Mayak nuclear reprocessing plant, Chelyabinsk, Russia
    News

    Polonium-210: A deadly element

    2006-12-21T08:51:00Z

    Litvinenko death sparks radiochemical investigation

  • Electron microscope image of GroEL particle in vitreous ice
    Feature

    Colloids in the cold

    2006-01-26T14:24:00Z

    A form of microscopy is shaking up nanoscience research and forcing scientists to reconsider many established theories. Emma Davies investigates cryoTEM