Environ. Sci. Technol. 2007, 41, 6521-6527
Dendritic Anion Hosts: Perchlorate Uptake by G5-NH2 Poly(propyleneimine) Dendrimer in Water and Model Electrolyte Solutions M A M A D O U S . D I A L L O , * ,†,‡ KWESI FALCONER,‡ JAMES H. JOHNSON, JR.,‡ AND WILLIAM A. GODDARD, III† Materials and Process Simulation Center, Beckman Institute 139-74, California Institute of Technology, Pasadena, California 91125, and Department of Civil Engineering, Howard University, Washington, DC, 20059
Perchlorate (ClO4-) has emerged as a major groundwater and surface water contaminant in the United States. Ion exchange (IX) is the most widely used technology for treating water containing lower concentrations of perchlorate (
