JPS5650121A - Manufacture of iron oxide hydrate - Google Patents

Manufacture of iron oxide hydrate

Info

Publication number
JPS5650121A
JPS5650121A JP12635479A JP12635479A JPS5650121A JP S5650121 A JPS5650121 A JP S5650121A JP 12635479 A JP12635479 A JP 12635479A JP 12635479 A JP12635479 A JP 12635479A JP S5650121 A JPS5650121 A JP S5650121A
Authority
JP
Japan
Prior art keywords
suspension
alkali
soln
aqueous
goethite
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
JP12635479A
Other languages
English (en)
Japanese (ja)
Inventor
Shinji Umeki
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Priority to JP12635479A priority Critical patent/JPS5650121A/ja
Priority to NL8005433A priority patent/NL8005433A/nl
Priority to DE19803037346 priority patent/DE3037346A1/de
Priority to GB8031810A priority patent/GB2060590B/en
Publication of JPS5650121A publication Critical patent/JPS5650121A/ja
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
    • C01G49/06—Ferric oxide [Fe2O3]
    • 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
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • 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)
  • Compounds Of Iron (AREA)
JP12635479A 1979-10-02 1979-10-02 Manufacture of iron oxide hydrate Pending JPS5650121A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP12635479A JPS5650121A (en) 1979-10-02 1979-10-02 Manufacture of iron oxide hydrate
NL8005433A NL8005433A (nl) 1979-10-02 1980-10-01 Werkwijze voor het bereiden van gehydrateerd ijzeroxyde.
DE19803037346 DE3037346A1 (de) 1979-10-02 1980-10-02 Verfahren zur herstellung von hydratisiertem eisenoxid
GB8031810A GB2060590B (en) 1979-10-02 1980-10-02 Process for producing hydrated iron oxide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12635479A JPS5650121A (en) 1979-10-02 1979-10-02 Manufacture of iron oxide hydrate

Publications (1)

Publication Number Publication Date
JPS5650121A true JPS5650121A (en) 1981-05-07

Family

ID=14933099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12635479A Pending JPS5650121A (en) 1979-10-02 1979-10-02 Manufacture of iron oxide hydrate

Country Status (4)

Country Link
JP (1) JPS5650121A (nl)
DE (1) DE3037346A1 (nl)
GB (1) GB2060590B (nl)
NL (1) NL8005433A (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3274777D1 (en) * 1981-10-01 1987-01-29 Agency Ind Science Techn Magnetic particles and method of production thereof

Also Published As

Publication number Publication date
GB2060590A (en) 1981-05-07
NL8005433A (nl) 1981-04-06
GB2060590B (en) 1983-04-07
DE3037346A1 (de) 1981-04-23

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