IT1110104B - PROCEDURE AND DEVICE FOR THE PREPARATION OF IRON OXIDOXIDE - Google Patents

PROCEDURE AND DEVICE FOR THE PREPARATION OF IRON OXIDOXIDE

Info

Publication number
IT1110104B
IT1110104B IT19958/79A IT1995879A IT1110104B IT 1110104 B IT1110104 B IT 1110104B IT 19958/79 A IT19958/79 A IT 19958/79A IT 1995879 A IT1995879 A IT 1995879A IT 1110104 B IT1110104 B IT 1110104B
Authority
IT
Italy
Prior art keywords
oxidoxide
iron
procedure
preparation
iron oxidoxide
Prior art date
Application number
IT19958/79A
Other languages
Italian (it)
Other versions
IT7919958A0 (en
Inventor
Gianni Donati
Carlo Rivetti
Luigi Colombo
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Priority to IT19958/79A priority Critical patent/IT1110104B/en
Publication of IT7919958A0 publication Critical patent/IT7919958A0/en
Priority to DE19792924028 priority patent/DE2924028A1/en
Application granted granted Critical
Publication of IT1110104B publication Critical patent/IT1110104B/en

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
    • G11B5/70657—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 with a skin
    • 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
    • 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
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/50—Agglomerated particles
    • 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
IT19958/79A 1979-02-07 1979-02-07 PROCEDURE AND DEVICE FOR THE PREPARATION OF IRON OXIDOXIDE IT1110104B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT19958/79A IT1110104B (en) 1979-02-07 1979-02-07 PROCEDURE AND DEVICE FOR THE PREPARATION OF IRON OXIDOXIDE
DE19792924028 DE2924028A1 (en) 1979-02-07 1979-06-13 Acicular alpha-hydrous ferric oxide prodn. for gamma-ferric oxide mfr. - by oxidative pptn. with alkali, pref. in two stages

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19958/79A IT1110104B (en) 1979-02-07 1979-02-07 PROCEDURE AND DEVICE FOR THE PREPARATION OF IRON OXIDOXIDE

Publications (2)

Publication Number Publication Date
IT7919958A0 IT7919958A0 (en) 1979-02-07
IT1110104B true IT1110104B (en) 1985-12-23

Family

ID=11162642

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19958/79A IT1110104B (en) 1979-02-07 1979-02-07 PROCEDURE AND DEVICE FOR THE PREPARATION OF IRON OXIDOXIDE

Country Status (2)

Country Link
DE (1) DE2924028A1 (en)
IT (1) IT1110104B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4459276A (en) * 1981-09-17 1984-07-10 Agency Of Industrial Science & Technology Yellow iron oxide pigment and method for manufacture thereof

Also Published As

Publication number Publication date
IT7919958A0 (en) 1979-02-07
DE2924028A1 (en) 1980-08-14

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