BILLERICA, Mass. (October 12, 2009) .. Thermo Fisher Scientific Inc., the world leader in serving science, is pleased to announce the launch of the Niton® XL2 Series handheld x-ray fluorescence (XRF) analyzer as the newest member of its family of Thermo Scientific Niton analyzers for mining and exploration. Thermo Fisher Scientific is the world..s leading manufacturer of handheld x-ray fluorescence (XRF) analyzers.…..View Full Press Release