FR1232937A - Improvements to the processes for the separation of rare earths by fractional precipitation of their hydroxides or basic salts - Google Patents

Improvements to the processes for the separation of rare earths by fractional precipitation of their hydroxides or basic salts

Info

Publication number
FR1232937A
FR1232937A FR773533A FR773533A FR1232937A FR 1232937 A FR1232937 A FR 1232937A FR 773533 A FR773533 A FR 773533A FR 773533 A FR773533 A FR 773533A FR 1232937 A FR1232937 A FR 1232937A
Authority
FR
France
Prior art keywords
hydroxides
separation
processes
rare earths
basic salts
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
FR773533A
Other languages
French (fr)
Inventor
Pawel Krumholz
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 filed Critical
Application granted granted Critical
Publication of FR1232937A publication Critical patent/FR1232937A/en
Expired legal-status Critical Current

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
    • 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
    • C01F17/10—Preparation or treatment, e.g. separation or purification
FR773533A 1957-09-02 1958-09-01 Improvements to the processes for the separation of rare earths by fractional precipitation of their hydroxides or basic salts Expired FR1232937A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR1232937X 1957-09-02

Publications (1)

Publication Number Publication Date
FR1232937A true FR1232937A (en) 1960-10-12

Family

ID=4074826

Family Applications (1)

Application Number Title Priority Date Filing Date
FR773533A Expired FR1232937A (en) 1957-09-02 1958-09-01 Improvements to the processes for the separation of rare earths by fractional precipitation of their hydroxides or basic salts

Country Status (1)

Country Link
FR (1) FR1232937A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2583737A1 (en) * 1985-06-20 1986-12-26 Rhone Poulenc Spec Chim NEW CERIUM IV COMPOUND AND PROCESS FOR PREPARING THE SAME
FR2608583A1 (en) * 1986-12-19 1988-06-24 Rhone Poulenc Chimie CERIC OXIDE WITH NEW MORPHOLOGICAL CHARACTERISTICS AND METHOD OF OBTAINING THE SAME
FR2616769A1 (en) * 1987-06-17 1988-12-23 Rhone Poulenc Chimie PROCESS FOR OBTAINING RARE EARTH OXIDE AND PRODUCT OBTAINED

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2583737A1 (en) * 1985-06-20 1986-12-26 Rhone Poulenc Spec Chim NEW CERIUM IV COMPOUND AND PROCESS FOR PREPARING THE SAME
EP0208581A1 (en) * 1985-06-20 1987-01-14 Rhone-Poulenc Chimie Cerium IV compound and method for its preparation
FR2608583A1 (en) * 1986-12-19 1988-06-24 Rhone Poulenc Chimie CERIC OXIDE WITH NEW MORPHOLOGICAL CHARACTERISTICS AND METHOD OF OBTAINING THE SAME
EP0275733A1 (en) * 1986-12-19 1988-07-27 Rhone-Poulenc Chimie Cerium oxide with novel morphological characteristics, and process for its preparation
FR2616769A1 (en) * 1987-06-17 1988-12-23 Rhone Poulenc Chimie PROCESS FOR OBTAINING RARE EARTH OXIDE AND PRODUCT OBTAINED
EP0297937A1 (en) * 1987-06-17 1989-01-04 Rhone-Poulenc Chimie Process for obtaining a rare earth oxide and product obtained thereby
US5496528A (en) * 1987-06-17 1996-03-05 Rhone-Poulenc Chimie Rare earth oxides

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