Magnetic organo-iron compounds

Details Magnetic organo-iron compounds Magnetic organo-iron compounds

1970-04-16

1977-01-04

Demers, Arthur P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252 6251, 252 6252, 252 6253, 252 6254, 252 6256, 260115, 260117, 260113, 260123, 260177, 260270R, 424177, 424295, C07F 1502

Patent

active

040012883

ABSTRACT:
An organo-iron compound or complex, having an X-ray diffraction pattern similar to that of magnetite and containing from 25 to 50 per cent or more iron, is water soluble and exhibits strongly ferromagnetic properties both as a solid and in aqueous solution. The compound is prepared by (1) precipitating a magnetite from an alkaline solution, optionally in the presence of a protein or protein degradation product, (2) optionally treating the precipitate with an oxidizing agent such as hydrogen peroxide, and (3) reacting the precipitate with a hydroxy-carboxylic acid. The resulting material is solubilized by treatment with a base.

REFERENCES:
patent: 2503781 (1950-04-01), Van Meter et al.
patent: 2849334 (1958-08-01), Hart
patent: 3200136 (1965-08-01), Grossmith
patent: 3345564 (1967-10-01), Makino et al.
patent: 3480555 (1969-11-01), Jackson et al.
Hackh Chemical Dictionary McGraw-Hill Book Co., N.Y., N.Y., 4th edition (1969) p. 535.
Selwood Magnetochemistry Interscience Publishers Inc. New York, N.Y., 1956, (2nd edition) p. 309.
Elmore Phys. Rev. 54 (1938) pp. 309-310.

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