Search U.S. government technical reports digitized or harvested by TRAIL.
Progress reports - metallurgical division.
Progress reports - Metallurgical Division.
Concentration of bastnaesite and other cerium ores
Preparation of rare-earth chloride solutions
Liquid-liquid extraction of rare-earth elements
Amines in liquid-liquid extraction of rare-earth elements
Chelating agents in separation of rare-earth compounds by solvent extraction with amines