FR1142121A - Process for the separation of niobium and tantalum - Google Patents

Process for the separation of niobium and tantalum

Info

Publication number
FR1142121A
FR1142121A FR1142121DA FR1142121A FR 1142121 A FR1142121 A FR 1142121A FR 1142121D A FR1142121D A FR 1142121DA FR 1142121 A FR1142121 A FR 1142121A
Authority
FR
France
Prior art keywords
niobium
tantalum
separation
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
Other languages
French (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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of FR1142121A publication Critical patent/FR1142121A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/20—Obtaining niobium, tantalum or vanadium
    • C22B34/24—Obtaining niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G33/00—Compounds of niobium
FR1142121D 1955-03-01 1956-02-20 Process for the separation of niobium and tantalum Expired FR1142121A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1142121X 1955-03-01

Publications (1)

Publication Number Publication Date
FR1142121A true FR1142121A (en) 1957-09-13

Family

ID=4559756

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1142121D Expired FR1142121A (en) 1955-03-01 1956-02-20 Process for the separation of niobium and tantalum

Country Status (1)

Country Link
FR (1) FR1142121A (en)

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