Thermo Fisher Scientific Inc., the world leader in serving science, will demonstrate its recently announced Thermo Scientific Niton XL3t Series with geometrically optimized large area drift detector (GOLDD) technology at WESTEC 2009, March 30-April 2, Los Angeles Convention Center, Los Angeles, Calif., Booth #2224. It is the instrument of choice for metal alloy analysis with the ability to instantly regain lost traceability on materials. Thermo Fisher Scientific is the world’s leading manufacturer of handheld x-ray fluorescence (XRF) analyzers.