1980. LACHINOV, S. S. [Catalyst for Ammonia Synthesis.] Russian Patent 38,135, Aug. 31, 1934. Chem. Abs., vol. 30, 1936, p. 1955.

PATENTS

1980. LACHINOV, S. S. [Catalyst for Ammonia Synthesis.] Russian Patent 38,135, Aug. 31, 1934. Chem. Abs., vol. 30, 1936, p. 1955.

Fe is heated in a stream of O₂ with the addition of activators such as Al₂O₃ or KNO₃, and after oxidation is complete the product is maintained for some time at the melting point.