FR2492801B1 - Procede de preparation de poudre d'hydroxyoxyde ferrique gamma - Google Patents

Procede de preparation de poudre d'hydroxyoxyde ferrique gamma

Info

Publication number
FR2492801B1
FR2492801B1 FR818120088A FR8120088A FR2492801B1 FR 2492801 B1 FR2492801 B1 FR 2492801B1 FR 818120088 A FR818120088 A FR 818120088A FR 8120088 A FR8120088 A FR 8120088A FR 2492801 B1 FR2492801 B1 FR 2492801B1
Authority
FR
France
Prior art keywords
powder
preparation
gamma ferric
hydroxyoxide
ferric hydroxyoxide
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.)
Expired
Application number
FR818120088A
Other languages
English (en)
Other versions
FR2492801A1 (fr
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of FR2492801A1 publication Critical patent/FR2492801A1/fr
Application granted granted Critical
Publication of FR2492801B1 publication Critical patent/FR2492801B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G11B5/70652—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
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • 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
    • C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-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
    • C01P2006/42—Magnetic properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
FR818120088A 1980-10-24 1981-10-26 Procede de preparation de poudre d'hydroxyoxyde ferrique gamma Expired FR2492801B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55149801A JPS5777033A (en) 1980-10-24 1980-10-24 Manufacture of iron oxide hydrate gamma-feooh

Publications (2)

Publication Number Publication Date
FR2492801A1 FR2492801A1 (fr) 1982-04-30
FR2492801B1 true FR2492801B1 (fr) 1985-07-26

Family

ID=15483005

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818120088A Expired FR2492801B1 (fr) 1980-10-24 1981-10-26 Procede de preparation de poudre d'hydroxyoxyde ferrique gamma

Country Status (7)

Country Link
US (1) US4396596A (fr)
JP (1) JPS5777033A (fr)
CA (1) CA1158837A (fr)
DE (1) DE3142117A1 (fr)
FR (1) FR2492801B1 (fr)
GB (1) GB2085860B (fr)
NL (1) NL8104793A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57209834A (en) * 1981-06-22 1982-12-23 Mitsui Toatsu Chem Inc Preparation of goethite
JPH0624984B2 (ja) * 1985-09-14 1994-04-06 昭和電工株式会社 レピツドクロサイトの製造方法
JPS62167221A (ja) * 1986-01-17 1987-07-23 Showa Denko Kk レピッドクロサイトの製造方法
JPS62167222A (ja) * 1986-01-17 1987-07-23 Showa Denko Kk レピツドクロサイトの製造方法
FR2624846B1 (fr) * 1987-12-16 1990-05-04 Atochem Composition a base d'un oxyde de structure spinelle, son application comme catalyseur et procede pour l'obtenir
JPH02267123A (ja) * 1989-04-05 1990-10-31 Showa Denko Kk レピッドクロサイトの製造方法
US6808741B1 (en) * 2001-10-26 2004-10-26 Seagate Technology Llc In-line, pass-by method for vapor lubrication
CN104829425B (zh) * 2015-04-14 2017-03-22 浙江师范大学 单分散梭形纳米片及其制备方法
CN113387393B (zh) * 2021-06-18 2023-05-02 浙江华源颜料股份有限公司 一种低吸油量氧化铁红颜料的清洁合成方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3082067A (en) * 1959-04-28 1963-03-19 Bayer Ag Process for the production of isometric ferromagnetic gamma-ferric oxide
DE1242199B (de) * 1960-12-15 1967-06-15 Bayer Ag Verfahren zur Herstellung von nadelfoermigem gamma-Eisen(III)-oxid

Also Published As

Publication number Publication date
US4396596A (en) 1983-08-02
CA1158837A (fr) 1983-12-20
NL8104793A (nl) 1982-05-17
DE3142117A1 (de) 1982-07-08
JPS5777033A (en) 1982-05-14
FR2492801A1 (fr) 1982-04-30
GB2085860B (en) 1983-11-16
GB2085860A (en) 1982-05-06

Similar Documents

Publication Publication Date Title
FR2479187B1 (fr) Procede de preparation de n-octadienol
FR2495134B1 (fr) Procede de preparation d'hydrocarbures
FR2493346B1 (fr) Procede de preparation d'un alliage magnetique amorphe
PT75209A (fr) Procede de preparation d'amidobenzamides
FR2492801B1 (fr) Procede de preparation de poudre d'hydroxyoxyde ferrique gamma
ZA817796B (en) Use of anticholenergic drugs
BE875378A (fr) Procede de preparation d'alcoylsilanes
ZA818221B (en) Pharmaceutical compounds
FR2352748A1 (fr) Procede perfectionne de preparation de l'orthosilicate de calcium en poudre
DE3164697D1 (en) Process for the preparation of vinyl-stilbene compounds
FR2496660B1 (fr) Procede de preparation de n-acylcarnosine
BE889546A (fr) Procede de preparation de n-cyclohexylbenzothiazole-2-sulfenamide
FR2488602B1 (fr) Procede de preparation d'hexachloroacetone
BE867414A (fr) Procede pour la preparation d'hydroxy-alpha-aminobenzylpenicillines
DE3160409D1 (en) Process for the preparation of methyl chloride
DE3166067D1 (en) Process for the continuous preparation of 2-alkyl-buten-1-als
YU292582A (en) Process for obtaining laxating compounds of the senna drug
DE3272587D1 (en) Process for the preparation of hydroxybenzaldehydes
BE890629A (fr) Procede de preparation d'acetaldehyde
BE890630A (fr) Procede de preparation d'acetaldehyde
DE3160063D1 (en) Process for the preparation of 2-amino-4-nitrophenol
DE3160155D1 (en) Process for the preparation of alpha-keto-carboxylic-acid-n-tertiary-butyl amides
FR2462412B1 (fr) Procede de preparation d'anisaldehyde
JPS5712937A (en) Culturing of fine animal
MA19649A1 (fr) Procede de preparation d'haloalkyl-8-4h (1)-benzopyran-4-ones

Legal Events

Date Code Title Description
ST Notification of lapse