Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Patent
1980-04-24
1981-12-15
Cooper, Jack
Chemistry of inorganic compounds
Oxygen or compound thereof
Metal containing
252 6256, 252 6259, 252 6262, C01G 4908
Patent
active
043059210
ABSTRACT:
In a process for producing an iron oxide having magnetite as a main component by heating to reduce a powder of an oxide or a hydrated iron oxide comprising an iron oxide as a main component in an atmosphere for reduction, an improvement characterized in that said atmosphere for reduction is formed by passing an industrial liquefied nitrogen gas.
REFERENCES:
patent: 4096292 (1978-06-01), Fagherazzi et al.
Cooper Jack
TDK Electronics Co. Ltd.
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