BE825951A - Procede de preparation de poudres de magnetite hyperfines - Google Patents

Procede de preparation de poudres de magnetite hyperfines

Info

Publication number
BE825951A
BE825951A BE153712A BE153712A BE825951A BE 825951 A BE825951 A BE 825951A BE 153712 A BE153712 A BE 153712A BE 153712 A BE153712 A BE 153712A BE 825951 A BE825951 A BE 825951A
Authority
BE
Belgium
Prior art keywords
hyperfined
preparing
magnetite powders
magnetite
powders
Prior art date
Application number
BE153712A
Other languages
English (en)
French (fr)
Inventor
F Montino
L Colombo
G Sironi
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 filed Critical
Publication of BE825951A publication Critical patent/BE825951A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00Nanotechnology for materials or surface science, e.g. nanocomposites
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00Compounds of iron
    • C01G49/02Oxides; Hydroxides
    • C01G49/08Ferroso-ferric oxide [Fe3O4]
    • 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
    • C01P2002/54Solid solutions containing elements as dopants one element only
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/30Particle morphology extending in three dimensions
    • C01P2004/38Particle morphology extending in three dimensions cube-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
    • C01P2004/62Submicrometer sized, i.e. from 0.1-1 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
    • C01P2004/64Nanometer sized, i.e. from 1-100 nanometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Organic Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Composite Materials (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
  • Soft Magnetic Materials (AREA)
BE153712A 1974-02-25 1975-02-25 Procede de preparation de poudres de magnetite hyperfines BE825951A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT48635/74A IT1008300B (it) 1974-02-25 1974-02-25 Procedimento per ottenere magnetite in polvere iperfine

Publications (1)

Publication Number Publication Date
BE825951A true BE825951A (fr) 1975-08-25

Family

ID=11267762

Family Applications (1)

Application Number Title Priority Date Filing Date
BE153712A BE825951A (fr) 1974-02-25 1975-02-25 Procede de preparation de poudres de magnetite hyperfines

Country Status (8)

Country Link
US (1) US4025611A (US06492441-20021210-C00072.png)
JP (1) JPS50124867A (US06492441-20021210-C00072.png)
BE (1) BE825951A (US06492441-20021210-C00072.png)
DE (1) DE2508088A1 (US06492441-20021210-C00072.png)
FR (1) FR2261982B1 (US06492441-20021210-C00072.png)
GB (1) GB1487012A (US06492441-20021210-C00072.png)
IT (1) IT1008300B (US06492441-20021210-C00072.png)
NL (1) NL7502003A (US06492441-20021210-C00072.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2518283C3 (de) * 1975-04-24 1979-02-15 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Eisenoxidschwarzpigmenten
US4382822A (en) * 1979-09-14 1983-05-10 Pfizer Inc. Synthetic rhombohedral magnetite pigment
JPH0822743B2 (ja) * 1989-03-27 1996-03-06 同和鉱業株式会社 スピネル型フエライトの製造法
JP2505344B2 (ja) * 1992-03-31 1996-06-05 日本碍子株式会社 フェライト用酸化鉄の製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1392927A (en) * 1920-06-22 1921-10-11 Magnetic Pigment Company Pigment and method of producing same
US2133267A (en) * 1934-01-24 1938-10-18 C K Williams & Co Black oxide of iron and process for making the same
GB433333A (en) * 1934-05-03 1935-08-13 Joseph Williams Ayers Improvements in black oxide of iron
US2922698A (en) * 1957-01-09 1960-01-26 Fettchemie Karl Marx Stadt Veb Oxidation process
NL6904796A (US06492441-20021210-C00072.png) * 1969-03-28 1970-09-30
US3845198A (en) * 1972-05-03 1974-10-29 Bell & Howell Co Acicular gamma iron oxide process

Also Published As

Publication number Publication date
FR2261982B1 (US06492441-20021210-C00072.png) 1979-06-08
GB1487012A (en) 1977-09-28
IT1008300B (it) 1976-11-10
US4025611A (en) 1977-05-24
JPS50124867A (US06492441-20021210-C00072.png) 1975-10-01
NL7502003A (nl) 1975-08-27
DE2508088A1 (de) 1975-08-28
FR2261982A1 (US06492441-20021210-C00072.png) 1975-09-19

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