JPS5622637A - Manufacture of alpha-iron oxyhydroxide - Google Patents

Manufacture of alpha-iron oxyhydroxide

Info

Publication number
JPS5622637A
JPS5622637A JP9651679A JP9651679A JPS5622637A JP S5622637 A JPS5622637 A JP S5622637A JP 9651679 A JP9651679 A JP 9651679A JP 9651679 A JP9651679 A JP 9651679A JP S5622637 A JPS5622637 A JP S5622637A
Authority
JP
Japan
Prior art keywords
iron oxyhydroxide
ferrous
iron
magnetic powder
blown
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.)
Granted
Application number
JP9651679A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6251894B2 (cs
Inventor
Toshinobu Sueyoshi
Akinari Hayashi
Shigeo Hirai
Mikio Kishimoto
Kazushige Imagawa
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.)
Maxell Ltd
Original Assignee
Hitachi Maxell Ltd
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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Priority to JP9651679A priority Critical patent/JPS5622637A/ja
Publication of JPS5622637A publication Critical patent/JPS5622637A/ja
Publication of JPS6251894B2 publication Critical patent/JPS6251894B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
JP9651679A 1979-07-27 1979-07-27 Manufacture of alpha-iron oxyhydroxide Granted JPS5622637A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9651679A JPS5622637A (en) 1979-07-27 1979-07-27 Manufacture of alpha-iron oxyhydroxide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9651679A JPS5622637A (en) 1979-07-27 1979-07-27 Manufacture of alpha-iron oxyhydroxide

Publications (2)

Publication Number Publication Date
JPS5622637A true JPS5622637A (en) 1981-03-03
JPS6251894B2 JPS6251894B2 (cs) 1987-11-02

Family

ID=14167297

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9651679A Granted JPS5622637A (en) 1979-07-27 1979-07-27 Manufacture of alpha-iron oxyhydroxide

Country Status (1)

Country Link
JP (1) JPS5622637A (cs)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60137832A (ja) * 1983-12-22 1985-07-22 Toyo Soda Mfg Co Ltd 短柵状のα−オキシ水酸化鉄の製造法
JPS60141625A (ja) * 1983-12-28 1985-07-26 Toyo Soda Mfg Co Ltd 微細粒状のα−オキシ水酸化鉄の製造法
JPS6158215A (ja) * 1984-08-29 1986-03-25 Hitachi Maxell Ltd 磁性酸化鉄粉末の製造方法
JPS6172628A (ja) * 1984-09-18 1986-04-14 Toda Kogyo Corp 短冊状を呈したゲ−タイト粒子粉末の製造法
JPS6183631A (ja) * 1984-09-29 1986-04-28 Toda Kogyo Corp 短冊状を呈した磁性酸化鉄粒子粉末の製造法
US5139767A (en) * 1981-06-22 1992-08-18 Mitsui Toatsu Chemicals, Incorporated Production method of goethite

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139767A (en) * 1981-06-22 1992-08-18 Mitsui Toatsu Chemicals, Incorporated Production method of goethite
JPS60137832A (ja) * 1983-12-22 1985-07-22 Toyo Soda Mfg Co Ltd 短柵状のα−オキシ水酸化鉄の製造法
JPS60141625A (ja) * 1983-12-28 1985-07-26 Toyo Soda Mfg Co Ltd 微細粒状のα−オキシ水酸化鉄の製造法
JPS6158215A (ja) * 1984-08-29 1986-03-25 Hitachi Maxell Ltd 磁性酸化鉄粉末の製造方法
JPS6172628A (ja) * 1984-09-18 1986-04-14 Toda Kogyo Corp 短冊状を呈したゲ−タイト粒子粉末の製造法
JPS6183631A (ja) * 1984-09-29 1986-04-28 Toda Kogyo Corp 短冊状を呈した磁性酸化鉄粒子粉末の製造法

Also Published As

Publication number Publication date
JPS6251894B2 (cs) 1987-11-02

Similar Documents

Publication Publication Date Title
JPS5792527A (en) Preparation of needle-like ferric oxide
GB1392980A (en) Production of acicular magnetic iron oxides
JPS5670836A (en) Preparation of methanol synthesis catalyst
JPS5622637A (en) Manufacture of alpha-iron oxyhydroxide
KR850004867A (ko) 자기기록용 판상 바륨페라이트 입자의 제조방법
US4512906A (en) Wet process for preparing ferrites of magnetoplumbite structure in fine particle form
GB1441183A (en) Magnetic recording particles
JPS5622638A (en) Manufacture of alpha-iron oxyhydroxide
JPS5780340A (en) Preparation of basic aluminum lactate
GB1559145A (en) Acicular ferromagnetic metal particles and method for preparation of the same
JPS5669229A (en) Preparation of hydrous iron oxide
JPS5616604A (en) Manufacture of ferromagnetic iron-cobalt alloy powder
EP0401000A3 (en) Plate-like magnetite particles and process for producing the same
JPS5723002A (en) Manufacture of magnetic metal powder
US4054643A (en) Manufacture of γ-Fe2 O3
JPS57209834A (en) Preparation of goethite
JPS56104721A (en) Preparation of magnetic powder
JPS5475597A (en) Preparation of metal podwer for magnetic recording
JPS57200230A (en) Ultra-fine powder of black ferrosoferric oxide and its preparation
KR950003168A (ko) 산화제이철의 제조방법
JPS5673632A (en) Manufacture of needlelike goethite
JPS57111245A (en) Preparation of iron oxyhydroxide
JPS5646565A (en) Manufacture of photoconductive particle
ES2045285T3 (es) Procedimiento para la fabricacion de un polvo magnetico de hexaferrita de estroncio.
JPS56160329A (en) Manufacture of magnetic iron oxide powder