AEC rsearch and development reports. NBL-252. Titrimetric determination of uranium in product, fuel, and scrap materials after ferrous Ion reduction in phosphoric acid: pt. 1, Manual titration, [by A. R. Eberle and others]; pt. 2. Automatic titration, [by C. G. Goldbeck, M. W. Lerner, and C J. Rodden].