JPH0348243B

Fine particles of ferromagnetic metal having a metal firmly adhered thereon are provided, which are produced by adding to an aqueous suspension of iron alpha -oxyhydroxide, an aqueous solution of a compound such as salt, metal salt, oxide, of a metal which is different from iron and exclusive of alk...

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Bibliographische Detailangaben
Hauptverfasser:	YOSHIZAKI TAKAYOSHI, USHAMA MASASHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES BASIC ELECTRIC ELEMENTS CASTING CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES ELECTRICITY FILLING PASTES INDUCTANCES INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER INKS MAGNETS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS PHYSICS POLISHES POWDER METALLURGY SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	Fine particles of ferromagnetic metal having a metal firmly adhered thereon are provided, which are produced by adding to an aqueous suspension of iron alpha -oxyhydroxide, an aqueous solution of a compound such as salt, metal salt, oxide, of a metal which is different from iron and exclusive of alkali metal (including an acidic or alkaline aqueous solution) and an aqueous solution of a ferrous salt, followed by oxidation reaction, filtration, water-washing and reduction.