BE748348A - Procede de preparation d'oxydes de terres rares - Google Patents

Procede de preparation d'oxydes de terres rares

Info

Publication number
BE748348A
BE748348A BE748348DA BE748348A BE 748348 A BE748348 A BE 748348A BE 748348D A BE748348D A BE 748348DA BE 748348 A BE748348 A BE 748348A
Authority
BE
Belgium
Prior art keywords
preparation
rare earth
earth oxides
oxides
rare
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
J L Ferry
J E Mathers
Original Assignee
Sylvania Electric Prod
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 Sylvania Electric Prod filed Critical Sylvania Electric Prod
Publication of BE748348A publication Critical patent/BE748348A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/241—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion containing two or more rare earth metals, e.g. NdPrO3 or LaNdPrO3
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/224—Oxides or hydroxides of lanthanides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Luminescent Compositions (AREA)
BE748348D 1969-04-02 1970-04-02 Procede de preparation d'oxydes de terres rares BE748348A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81291369A 1969-04-02 1969-04-02

Publications (1)

Publication Number Publication Date
BE748348A true BE748348A (fr) 1970-09-16

Family

ID=25210949

Family Applications (1)

Application Number Title Priority Date Filing Date
BE748348D BE748348A (fr) 1969-04-02 1970-04-02 Procede de preparation d'oxydes de terres rares

Country Status (4)

Country Link
US (1) US3635658A (de)
BE (1) BE748348A (de)
CA (1) CA927577A (de)
DE (1) DE2015519A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2669027A1 (fr) * 1990-11-13 1992-05-15 Rhone Poulenc Chimie Procede de fabrication d'oxalates doubles de terres rares et d'ammonium et leurs utilisations pour la fabrication d'oxydes de terres rares et oxydes de terres rares obtenus.

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898309A (en) * 1973-05-11 1975-08-05 Us Energy Method of forming high density oxide pellets by hot pressing at 50{20 {14 100{20 C above the cubic to monoclinic phase transformation temperature
NO140925C (no) * 1978-04-14 1979-12-12 Sjeldne Jordarter Forskning Fremgangsmaate til fremstilling av yttriumoksyd med saerlig store partikler
US4507245A (en) * 1982-06-06 1985-03-26 Hokko Chemical Industry Co., Ltd. Process for the production of a rare earth metal alkoxide
US4432948A (en) * 1982-07-30 1984-02-21 U.S. Philips Corporation Recovery of yttrium and europium from contaminated solutions
US4386056A (en) * 1982-07-30 1983-05-31 Westinghouse Electric Corp. Recovery of yttrium and europium from contaminated solutions
US4755492A (en) * 1986-10-06 1988-07-05 General Electric Company Yttrium oxide ceramic body
JPH0627004B2 (ja) * 1987-05-26 1994-04-13 三菱マテリアル株式会社 １２面体の結晶形を有する酸化スカンジウムの製造方法
US4799530A (en) * 1988-02-08 1989-01-24 Precision Castparts Corp. Method for recovering casting refractory compositions from investment casting slurries
US4815516A (en) * 1988-03-04 1989-03-28 Precision Castparts Corp. Method for recovering casting refractory compositions from investment casting shell molds
US5435959A (en) * 1993-12-17 1995-07-25 Nike, Inc. Method of making a mold and parts from the mold
US6387339B1 (en) * 1999-11-11 2002-05-14 Shin-Etsu Chemical Co., Ltd. Rare earth oxide particles and method for preparation thereof
US20140341790A1 (en) 2013-01-18 2014-11-20 Rare Element Resources Ltd. Extraction of metals from metallic compounds
CN103482670B (zh) * 2013-09-10 2014-09-24 中铝稀土（常熟）有限公司 高纯氧化镝的制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3420861A (en) * 1968-02-23 1969-01-07 Westinghouse Electric Corp Efficient preparation of rare-earth metal oxalate

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2669027A1 (fr) * 1990-11-13 1992-05-15 Rhone Poulenc Chimie Procede de fabrication d'oxalates doubles de terres rares et d'ammonium et leurs utilisations pour la fabrication d'oxydes de terres rares et oxydes de terres rares obtenus.
EP0486350A1 (de) * 1990-11-13 1992-05-20 Rhone-Poulenc Chimie Verfahren zur Herstellung von gemischten Oxalaten von Ammonium und seltenen Erden und deren Anwendung zur Herstellung von Oxyden der seltenen Erden und die so hergestellten seltenen Erden
US5665323A (en) * 1990-11-13 1997-09-09 Rhone-Poulenc Chimie Preparation of ammonium rare earth double oxalates and rare earth oxides produced therefrom

Also Published As

Publication number Publication date
DE2015519A1 (de) 1970-10-15
US3635658A (en) 1972-01-18
CA927577A (en) 1973-06-05

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