2745. ------. [RANEY, M.] Finely Divided Nickel. United States Patent 1,628,190, May 10, 1927. Chem. Abs., vol. 21, 1927, p. 2116.

In preparing a catalytic material, Ni is alloyed with Al and the Al is then dissolved from the alloy, for example, by NaOH.

RAPASKY, F. See abs. 2393.