American Chemical Society.Committee on Analytical Reagents. American Chemical Society,Division of Analytical Chemistry American Chemical Society Division of Analytidal Chemistry American Chemical Society, Division of Analytical American Chemical Society.Division of Physical Chemistry. American Chemical Society.Division of Chemical Educaiton American Chemical Society. Division of Medicainal Chemistry. American Welding Society.Committee on Brazing and Soldering American Chemical Society.Division of Polymer Chemistry American Chemical Society.Division of Inorganic Chemistry