Featured Articles

  • X-Ray Fluorescence (XRF) Analyzers

    XRF Analyzers

    Thursday, July 01, 2010
    Jeffrey M. Perkel
    In XRF, when an x-ray beam is directed at a sample, it dislodges electrons in the inner orbitals of the atoms that comprise it. Because that ionized state is so unstable, lower-energy electrons from o... Read More
  • Raman Spectroscopy

    Raman Spectroscopy

    Monday, April 19, 2010
    Jeffrey M. Perkel
    Raman spectroscopy uses laser energy to molecularly "fingerprint" materials nondestructively and without contact. As a result, the technique is finding use in fields as diverse as homeland security, b... Read More