IT1048488B - Procedimento di preparazione di soluzioni solide di ossidi di ferro e di metalli bivalenti - Google Patents

Procedimento di preparazione di soluzioni solide di ossidi di ferro e di metalli bivalenti

Info

Publication number
IT1048488B
IT1048488B IT2703875A IT2703875A IT1048488B IT 1048488 B IT1048488 B IT 1048488B IT 2703875 A IT2703875 A IT 2703875A IT 2703875 A IT2703875 A IT 2703875A IT 1048488 B IT1048488 B IT 1048488B
Authority
IT
Italy
Prior art keywords
iron oxides
preparation procedure
solid solutions
bivalent metals
bivalent
Prior art date
Application number
IT2703875A
Other languages
English (en)
Original Assignee
Anvar
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 Anvar filed Critical Anvar
Application granted granted Critical
Publication of IT1048488B publication Critical patent/IT1048488B/it

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/706Record 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
    • G11B5/70626Record 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
    • G11B5/70642Record 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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00Compounds of iron
    • C01G49/02Oxides; Hydroxides
    • C01G49/06Ferric oxide [Fe2O3]
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/50Solid solutions
    • C01P2002/52Solid solutions containing elements as dopants
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/01Particle morphology depicted by an image
    • C01P2004/03Particle morphology depicted by an image obtained by SEM
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/10Particle morphology extending in one dimension, e.g. needle-like
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/62Submicrometer sized, i.e. from 0.1-1 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Iron (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Hard Magnetic Materials (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
IT2703875A 1974-09-13 1975-09-09 Procedimento di preparazione di soluzioni solide di ossidi di ferro e di metalli bivalenti IT1048488B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7431738A FR2284580A2 (fr) 1974-09-13 1974-09-13 Procede de preparation de solutions solides d'oxydes de fer et de metaux bivalents tels que le cobalt, et produits obtenus

Publications (1)

Publication Number Publication Date
IT1048488B true IT1048488B (it) 1980-11-20

Family

ID=9143265

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2703875A IT1048488B (it) 1974-09-13 1975-09-09 Procedimento di preparazione di soluzioni solide di ossidi di ferro e di metalli bivalenti

Country Status (7)

Country Link
JP (1) JPS5919049B2 (it)
CH (1) CH597109A5 (it)
DE (1) DE2540758C2 (it)
FR (1) FR2284580A2 (it)
GB (1) GB1506218A (it)
IT (1) IT1048488B (it)
NL (1) NL183992C (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587989B1 (fr) * 1985-09-30 1987-11-13 Centre Nat Rech Scient Compositions particulaires d'oxalates de metaux ferromagnetiques, sous forme de particules aciculaires submicroniques, leur preparation et leur application
RU2205722C1 (ru) * 2001-10-25 2003-06-10 ОАО "Камский кузнечный завод" Способ изготовления поковок выдавливанием

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB679172A (en) * 1948-04-23 1952-09-17 Standard Telephones Cables Ltd Improvements in or relating to the production of metal or metal oxide powders and products therefrom

Also Published As

Publication number Publication date
FR2284580A2 (fr) 1976-04-09
NL7510163A (nl) 1976-03-16
JPS5919049B2 (ja) 1984-05-02
NL183992B (nl) 1988-10-17
FR2284580B2 (it) 1979-04-13
DE2540758C2 (de) 1982-11-04
CH597109A5 (it) 1978-03-31
DE2540758A1 (de) 1976-03-25
GB1506218A (en) 1978-04-05
JPS5155800A (en) 1976-05-17
NL183992C (nl) 1989-03-16

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