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JPS53127400A - Production of goethite - Google Patents

Production of goethite

Info

Publication number
JPS53127400A
JPS53127400A JP4225277A JP4225277A JPS53127400A JP S53127400 A JPS53127400 A JP S53127400A JP 4225277 A JP4225277 A JP 4225277A JP 4225277 A JP4225277 A JP 4225277A JP S53127400 A JPS53127400 A JP S53127400A
Authority
JP
Japan
Prior art keywords
goethite
production
oncn
oxidizing
whose
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
JP4225277A
Other languages
Japanese (ja)
Other versions
JPS5523215B2 (en
Inventor
Yasushi Maeda
Toyotaka Manabe
Bunichi Yoshimura
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP4225277A priority Critical patent/JPS53127400A/en
Publication of JPS53127400A publication Critical patent/JPS53127400A/en
Publication of JPS5523215B2 publication Critical patent/JPS5523215B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)

Abstract

PURPOSE: To produce slightly branched needle goethite crystals by oxidizing a colloidal precipitate of Fe(OH)2 with air in a strong alkali soln. whose OHconcn. is specified.
COPYRIGHT: (C)1978,JPO&Japio
JP4225277A 1977-04-13 1977-04-13 Production of goethite Granted JPS53127400A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4225277A JPS53127400A (en) 1977-04-13 1977-04-13 Production of goethite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4225277A JPS53127400A (en) 1977-04-13 1977-04-13 Production of goethite

Publications (2)

Publication Number Publication Date
JPS53127400A true JPS53127400A (en) 1978-11-07
JPS5523215B2 JPS5523215B2 (en) 1980-06-21

Family

ID=12630825

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4225277A Granted JPS53127400A (en) 1977-04-13 1977-04-13 Production of goethite

Country Status (1)

Country Link
JP (1) JPS53127400A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11124858B2 (en) * 2018-08-27 2021-09-21 Flsmidth A/S Solid-state catalysts for low or moderate temperature leach applications and methods thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4882395A (en) * 1972-02-04 1973-11-02
JPS4915699A (en) * 1972-06-06 1974-02-12
JPS4957397A (en) * 1972-09-30 1974-06-04
JPS5186795A (en) * 1975-01-27 1976-07-29 Nippon Telegraph & Telephone
JPS5376957A (en) * 1976-12-20 1978-07-07 Hitachi Maxell Magnetic metal iron powder and said manufacturing process

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1204644B (en) * 1962-03-30 1965-11-11 Basf Ag Process for the production of acicular iron oxide yellow, alpha-OH, which is particularly suitable as a starting material for the production of highly coercive ª † iron (III) oxide

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4882395A (en) * 1972-02-04 1973-11-02
JPS4915699A (en) * 1972-06-06 1974-02-12
JPS4957397A (en) * 1972-09-30 1974-06-04
JPS5186795A (en) * 1975-01-27 1976-07-29 Nippon Telegraph & Telephone
JPS5376957A (en) * 1976-12-20 1978-07-07 Hitachi Maxell Magnetic metal iron powder and said manufacturing process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11124858B2 (en) * 2018-08-27 2021-09-21 Flsmidth A/S Solid-state catalysts for low or moderate temperature leach applications and methods thereof

Also Published As

Publication number Publication date
JPS5523215B2 (en) 1980-06-21

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