TY - GEN AU - Russell,J.H. AU - Rickel,R.L. AU - Nilsen,D.N. TI - Method for predicting equilibrium values in the solvent extraction of nickel in ammoniacal systems T2 - Report of investigations PY - 1991/// CY - Washington, DC PB - U.S. Dept. of the Interior, Bureau of Mines KW - Nickel KW - Metallurgy KW - Solvent extraction KW - Mathematical models ER -