FR2105084A2 - Prodn of anhydroushydrofluoric acid - by reacn of ammonium bi fluoride with a metal fluoride - Google Patents

Prodn of anhydroushydrofluoric acid - by reacn of ammonium bi fluoride with a metal fluoride

Info

Publication number
FR2105084A2
FR2105084A2 FR7034470A FR7034470A FR2105084A2 FR 2105084 A2 FR2105084 A2 FR 2105084A2 FR 7034470 A FR7034470 A FR 7034470A FR 7034470 A FR7034470 A FR 7034470A FR 2105084 A2 FR2105084 A2 FR 2105084A2
Authority
FR
France
Prior art keywords
fluoride
ammonium
prodn
acid
anhydroushydrofluoric
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
FR7034470A
Other languages
French (fr)
Other versions
FR2105084B2 (en
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.)
Ugine Kuhlmann SA
Original Assignee
Ugine Kuhlmann SA
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
Priority claimed from FR108352A external-priority patent/FR1532532A/en
Priority to DE2032855A priority Critical patent/DE2032855C3/en
Application filed by Ugine Kuhlmann SA filed Critical Ugine Kuhlmann SA
Priority to FR7034470A priority patent/FR2105084A2/en
Priority to LU61879D priority patent/LU61879A1/xx
Priority to AT09631/70A priority patent/AT302968B/en
Priority claimed from AT09631/70A external-priority patent/AT302968B/en
Priority to ZA710029A priority patent/ZA7129B/en
Publication of FR2105084A2 publication Critical patent/FR2105084A2/en
Application granted granted Critical
Publication of FR2105084B2 publication Critical patent/FR2105084B2/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Prodn. of anhydrous hydrofluoric acid. Prodn. comprises heating a double fluoride of ammonium and a metal selected from Cd, Be, Ga, Pb, Se, Hf, Sb, starting from ammonium bifluoride and a fluoride of the metal selected, the reaction bringing about a release of anhydrous gaseous hydrofluoric acid, the temp. is raised to bring about decompsn. of the resulting double fluoride into ammonium fluoride and metal fluoride.
FR7034470A 1967-05-30 1970-09-23 Prodn of anhydroushydrofluoric acid - by reacn of ammonium bi fluoride with a metal fluoride Granted FR2105084A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE2032855A DE2032855C3 (en) 1967-05-30 1970-07-02 Process for obtaining anhydrous hydrogen fluoride
FR7034470A FR2105084A2 (en) 1967-05-30 1970-09-23 Prodn of anhydroushydrofluoric acid - by reacn of ammonium bi fluoride with a metal fluoride
LU61879D LU61879A1 (en) 1967-05-30 1970-10-15
AT09631/70A AT302968B (en) 1970-07-02 1970-10-27 CYCLICAL PROCESS FOR THE PRODUCTION OF ANHYDROUS HYDROFLUORIC ACID
ZA710029A ZA7129B (en) 1970-09-23 1971-01-04 Production of anhydrous hydrofluoric acid

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
FR108352A FR1532532A (en) 1967-05-30 1967-05-30 Obtaining anhydrous hydrofluoric acid
FR126140A FR93537E (en) 1967-05-30 1967-10-27 Obtaining anhydrous hydrofluoric acid.
DE2032855A DE2032855C3 (en) 1967-05-30 1970-07-02 Process for obtaining anhydrous hydrogen fluoride
FR7034470A FR2105084A2 (en) 1967-05-30 1970-09-23 Prodn of anhydroushydrofluoric acid - by reacn of ammonium bi fluoride with a metal fluoride
LU61879 1970-10-15
AT09631/70A AT302968B (en) 1970-07-02 1970-10-27 CYCLICAL PROCESS FOR THE PRODUCTION OF ANHYDROUS HYDROFLUORIC ACID

Publications (2)

Publication Number Publication Date
FR2105084A2 true FR2105084A2 (en) 1972-04-28
FR2105084B2 FR2105084B2 (en) 1973-06-08

Family

ID=27542504

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7034470A Granted FR2105084A2 (en) 1967-05-30 1970-09-23 Prodn of anhydroushydrofluoric acid - by reacn of ammonium bi fluoride with a metal fluoride

Country Status (3)

Country Link
DE (1) DE2032855C3 (en)
FR (1) FR2105084A2 (en)
LU (1) LU61879A1 (en)

Also Published As

Publication number Publication date
LU61879A1 (en) 1971-05-04
DE2032855C3 (en) 1974-06-27
FR2105084B2 (en) 1973-06-08
DE2032855A1 (en) 1972-02-03
DE2032855B2 (en) 1973-11-15

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Legal Events

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