JPS5259096A - Process for preparing gammaaferric oxide*3* - Google Patents

Process for preparing gammaaferric oxide*3*

Info

Publication number
JPS5259096A
JPS5259096A JP51132522A JP13252276A JPS5259096A JP S5259096 A JPS5259096 A JP S5259096A JP 51132522 A JP51132522 A JP 51132522A JP 13252276 A JP13252276 A JP 13252276A JP S5259096 A JPS5259096 A JP S5259096A
Authority
JP
Japan
Prior art keywords
gammaaferric
preparing
oxide
preparing gammaaferric
gammaaferric oxide
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.)
Granted
Application number
JP51132522A
Other languages
English (en)
Other versions
JPS6031770B2 (ja
Inventor
Ooringeru Manfureeto
Shieenafuingeru Ezuaruto
Shiyunaideru Waruteru
Shiyutoritsutsuingeru Haintsu
Fueeto Giyunteru
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of JPS5259096A publication Critical patent/JPS5259096A/ja
Publication of JPS6031770B2 publication Critical patent/JPS6031770B2/ja
Expired 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
    • G11B5/70652—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 gamma - Fe2 O3
    • 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
    • C01G49/06—Ferric oxide [Fe2O3]
    • 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
    • G11B5/70647—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 with a skin
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/11—Powder tap density
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/42—Magnetic properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Dermatology (AREA)
  • General Health & Medical Sciences (AREA)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
JP51132522A 1975-11-08 1976-11-05 γ‐酸化鉄（３）の製法 Expired JPS6031770B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2550307A DE2550307C3 (de) 1975-11-08 1975-11-08 Verfahren zur Herstellung von nadeiförmigem Y-Eisen(ni)-Oxid
DE2550307.5 1975-11-08

Publications (2)

Publication Number Publication Date
JPS5259096A true JPS5259096A (en) 1977-05-16
JPS6031770B2 JPS6031770B2 (ja) 1985-07-24

Family

ID=5961308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51132522A Expired JPS6031770B2 (ja) 1975-11-08 1976-11-05 γ‐酸化鉄（３）の製法

Country Status (5)

Country Link
US (1) US4061725A (ja)
JP (1) JPS6031770B2 (ja)
BE (1) BE848026A (ja)
DE (1) DE2550307C3 (ja)
FR (1) FR2330651A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4748017A (en) * 1986-01-17 1988-05-31 Showa Denko Kabushiki Kaisha Method for manufacturing lepidocrocite

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2805621A1 (de) * 1978-02-10 1979-08-23 Basf Ag Verfahren zur herstellung von nadelfoermigen, ferrimagnetischen eisenoxiden
DE2935358A1 (de) * 1979-09-01 1981-03-26 Basf Ag, 67063 Ludwigshafen Verfahren zur herstellung nadelfoermiger ferromagnetischer eisenteilchen und deren verwendung
US5069216A (en) * 1986-07-03 1991-12-03 Advanced Magnetics Inc. Silanized biodegradable super paramagnetic metal oxides as contrast agents for imaging the gastrointestinal tract
US5219554A (en) * 1986-07-03 1993-06-15 Advanced Magnetics, Inc. Hydrated biodegradable superparamagnetic metal oxides
JP2931182B2 (ja) * 1992-07-17 1999-08-09 石原産業株式会社 針状γ−ＦｅＯＯＨの製造方法
ITMI20020567A1 (it) * 2002-03-18 2003-09-18 Sud Chemie S R L Processo per la preparazione di ossidi di ferro

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE756143A (fr) * 1969-09-16 1971-03-15 Eastman Kodak Co Procede de preparation d'oxyde de fer, aciculaire, ou goethite utilisable pour la production d'oxyde de fer fe2o3 magnetique
BE792847A (fr) * 1971-12-17 1973-06-15 Bayer Ag Procede de preparation d'oxydes de fer magnetiques aciculaires
BE794292A (fr) * 1972-01-21 1973-07-19 Bayer Ag Procede de preparation d'oxydes de fer magnetiques aciculaires finement divises
US3845198A (en) * 1972-05-03 1974-10-29 Bell & Howell Co Acicular gamma iron oxide process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4748017A (en) * 1986-01-17 1988-05-31 Showa Denko Kabushiki Kaisha Method for manufacturing lepidocrocite

Also Published As

Publication number Publication date
FR2330651B1 (ja) 1981-06-19
BE848026A (fr) 1977-05-05
DE2550307A1 (de) 1977-05-18
DE2550307B1 (de) 1977-11-17
FR2330651A1 (fr) 1977-06-03
JPS6031770B2 (ja) 1985-07-24
US4061725A (en) 1977-12-06
DE2550307C3 (de) 1978-07-06

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