• Removal of Al-and Ca-Nitrilotriacetic Acid from Waters by Subsoils 

      Shuman, Larry M. (Georgia Institute of TechnologyInstitute of Natural Resources, 1993-04)
      Synthetic chelating agents and the metals they carry can be environmental pol1utants. Chelating agents are organic molecules with two or more functional groups which bond metals by encircling them with ligand "arms". ...