JPS5256010A - Production of magnetite powder - Google Patents

Production of magnetite powder

Info

Publication number
JPS5256010A
JPS5256010A JP11378776A JP11378776A JPS5256010A JP S5256010 A JPS5256010 A JP S5256010A JP 11378776 A JP11378776 A JP 11378776A JP 11378776 A JP11378776 A JP 11378776A JP S5256010 A JPS5256010 A JP S5256010A
Authority
JP
Japan
Prior art keywords
production
magnetite powder
magnetite
powder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP11378776A
Other languages
Japanese (ja)
Inventor
Kunda Wajiru
Rudeiiku Borisu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Viridian Inc Canada
Original Assignee
Sherritt Gordon Mines Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sherritt Gordon Mines Ltd filed Critical Sherritt Gordon Mines Ltd
Publication of JPS5256010A publication Critical patent/JPS5256010A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
    • G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
    • G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
    • G11B5/70678—Ferrites
    • G11B5/70684—Ferro-ferrioxydes
    • G11B5/70689—Magnetite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • C01G49/08—Ferroso-ferric oxide [Fe3O4]
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacture Of Iron (AREA)
  • Soft Magnetic Materials (AREA)
JP11378776A 1975-09-25 1976-09-24 Production of magnetite powder Pending JPS5256010A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA236,356A CA1066483A (en) 1975-09-25 1975-09-25 Process for production of finely divided magnetite particles

Publications (1)

Publication Number Publication Date
JPS5256010A true JPS5256010A (en) 1977-05-09

Family

ID=4104147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11378776A Pending JPS5256010A (en) 1975-09-25 1976-09-24 Production of magnetite powder

Country Status (3)

Country Link
JP (1) JPS5256010A (en)
CA (1) CA1066483A (en)
DE (1) DE2642383A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461521A1 (en) * 1979-07-20 1981-02-06 Anvar MAGNETIC FLUIDS, IN PARTICULAR FERROFLUIDS, AND PROCESS FOR OBTAINING THEM
DE3209469A1 (en) * 1981-03-19 1982-09-30 Basf Ag, 6700 Ludwigshafen Process for the preparation of iron oxide black pigments having improved acid resistance and their use
DE10017489A1 (en) 2000-04-07 2001-10-11 Emtec Magnetics Gmbh Magnetic recording medium used in the production of magnetic tapes, floppy disks or magnetic cards comprises an upper magnetic recording layer containing a fine magnetic pigment
DE10017490A1 (en) 2000-04-07 2001-10-11 Emtec Magnetics Gmbh Magnetic recording medium used in the production of magnetic tapes, floppy disks or magnetic cards comprises an upper magnetic recording layer containing a fine magnetic pigment
DE10135957A1 (en) 2001-07-24 2003-02-13 Emtec Magnetics Gmbh Magnetic recording medium
DE10205332B4 (en) * 2002-02-06 2004-02-12 Berlin Heart Ag Process for the production of magnetic nanoparticles
CZ301067B6 (en) * 2006-02-24 2009-10-29 Ústav makromolekulární chemie AV CR Iron oxide-based superparamagnetic nanoparticles with modified surface, process of their preparation and use

Also Published As

Publication number Publication date
DE2642383A1 (en) 1977-03-31
CA1066483A (en) 1979-11-20

Similar Documents

Publication Publication Date Title
JPS51118763A (en) Production of alkylenecarbonate
JPS5236683A (en) Production of riphamycin
JPS527955A (en) Production of nn alkylphthalimide
JPS5212162A (en) Production of phenylindoline
JPS51133796A (en) Method of manufacturing magnetic powder
JPS51141897A (en) Production of riphamycin
JPS5251392A (en) Production of triazolopyridazinones
JPS51131873A (en) Production of 44loneralkyll 55cyanoooxazole
JPS5212118A (en) Production of bicynalhydroester and bicynaldiester
JPS5256010A (en) Production of magnetite powder
JPS5248698A (en) Production of riphamycin
JPS525762A (en) Production of betaa acylpyrol
JPS51130543A (en) Production of instant onigiri
GB1554278A (en) Manufacture of polyamide-imide powders
JPS5289667A (en) Production of nnsubstituted spirolaltam
JPS5219695A (en) Production of tetrahydrothiopyranopyrazols
JPS5227758A (en) Production of 22methyll 11naphthol
JPS5248689A (en) Production of pyrazolopyridineketones
JPS51115465A (en) Production of 55phenyll 22framidoxime
JPS5273858A (en) Production of phospholenee 11calcogenite
JPS5248662A (en) Production of 44hydroxymethyll 22pyrorysines
JPS5246100A (en) Production of pyrazolopyridopirimidine
JPS5236690A (en) Production of 33methoxymethlcephalosporin
JPS51128997A (en) Production of pyrazolopyridineketones
JPS5212991A (en) Production of bioprotein