PITTSBURGH, Pa., March 27, 2007 -- Organizers of the Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy (Pittcon 2007) said today that 22,213 conferees and exhibitors representing more than 85 countries attended the event, held Feb. 23-March 2 in Chicago. In all, 1085 companies used 2376 booths to showcase their newest instruments, products and services for laboratories in the analytical, materials characterization, pharmaceutical and biomedical fields. Of those, 148 companies exhibited for the first time. 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