Preparation of stabilized chromium dioxide with sodium tetracarb

Details Preparation of stabilized chromium dioxide with sodium tetracarb Preparation of stabilized chromium dioxide with sodium tetracarb

1990-11-20

1991-11-12

Lewis, Michael L.

Compositions

Magnetic

Chromium or chromium compound containing

423607, C01G 3727

Patent

active

050645498

ABSTRACT:
Stabilized acicular ferromagnetic chromium dioxide is prepared by reductive treatment of the chromium dioxide with Na.sub.2 [Fe(CO).sub.4 ], and this material is present in magnetic recording media.

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patent: 4670177 (1987-06-01), Ohlinger et al.
Cotton et al., "Advanced Inorganic Chemistry", Fourth Edition, pp. 1064-1065.
Fikentscher, Cellulose Chemie, 13, 58-64 (1932).

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