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FR1192456A - Procédé de préparation de bifluorure d'ammonium - Google Patents

Procédé de préparation de bifluorure d'ammonium

Info

Publication number
FR1192456A
FR1192456A FR1192456DA FR1192456A FR 1192456 A FR1192456 A FR 1192456A FR 1192456D A FR1192456D A FR 1192456DA FR 1192456 A FR1192456 A FR 1192456A
Authority
FR
France
Prior art keywords
preparation
ammonium bifluoride
bifluoride
ammonium
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
English (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.)
Wasag Chemie AG
Original Assignee
Wasag Chemie 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 Wasag Chemie AG filed Critical Wasag Chemie AG
Priority claimed from GB4048157A external-priority patent/GB834614A/en
Application granted granted Critical
Publication of FR1192456A publication Critical patent/FR1192456A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/16—Halides of ammonium
    • C01C1/162—Ammonium fluoride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
FR1192456D 1956-10-25 1957-12-24 Procédé de préparation de bifluorure d'ammonium Expired FR1192456A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEW19979A DE1021831B (de) 1956-10-25 1956-10-25 Verfahren zur Herstellung von reinem kristallisiertem Ammoniumbifluorid aus Fluokieselsaeure und Ammoniak
GB4048157A GB834614A (en) 1957-12-31 1957-12-31 Process of producing crystalline ammonium bifluoride

Publications (1)

Publication Number Publication Date
FR1192456A true FR1192456A (fr) 1959-10-27

Family

ID=26002216

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1192456D Expired FR1192456A (fr) 1956-10-25 1957-12-24 Procédé de préparation de bifluorure d'ammonium

Country Status (3)

Country Link
US (1) US3005684A (fr)
DE (1) DE1021831B (fr)
FR (1) FR1192456A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3101254A (en) * 1961-03-16 1963-08-20 Grace W R & Co Production of silica free hydrogen fluoride
US3106449A (en) * 1961-07-17 1963-10-08 Grace W R & Co Production of ammonium hydrogen fluoride
US3212849A (en) * 1963-06-18 1965-10-19 American Agricultural Chem Co Conversion of ammonium fluoride to ammonium bifluoride by subatmospheric evaporationof an aqueous solution of ammonium fluoride
US3316060A (en) * 1964-05-27 1967-04-25 Hooker Chemical Corp Recovery of anhydrous hydrogen fluoride from gaseous mixtures
US3310369A (en) * 1964-05-27 1967-03-21 Hooker Chemical Corp Process for producing anhydrous ammonium bifluoride from an aqueous solution of ammonium fluoride
US3338673A (en) * 1964-10-02 1967-08-29 Hooker Chemical Corp Recovery of substantially anhydrous hydrogen fluoride from an impure aqueous ammonium fluoride solution
US3501268A (en) * 1967-05-18 1970-03-17 Ethyl Corp Process for the production of anhydrous hydrogen fluoride
US3490866A (en) * 1967-05-22 1970-01-20 Indiana University Foundation Sodium pentafluorostannite,nasn2f5
IE44470B1 (en) * 1976-08-26 1981-12-16 Goulding Chemicals Ltd Production of hydrogen fluoride
JP2012193074A (ja) * 2011-03-16 2012-10-11 Seiko Epson Corp 分離方法および分離装置
JP2012201554A (ja) * 2011-03-25 2012-10-22 Seiko Epson Corp 分離方法および分離装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1235552A (en) * 1913-07-17 1917-08-07 Mineral Products Corp Process of producing ammonium fluorids.
DE634756C (de) * 1935-06-13 1937-01-07 I G Farbenindustrie Akt Ges Herstellung von Flusssaeure
US2446484A (en) * 1943-12-30 1948-08-03 Francis M Mcclenahan Method of converting normal ammonium fluoride to ammonium bifluoride
US2816818A (en) * 1954-12-31 1957-12-17 Int Minerals & Chem Corp Process for the preparation of ammonium fluoride
US2865711A (en) * 1956-11-29 1958-12-23 Int Minerals & Chem Corp Process for the production of hydrogen fluoride

Also Published As

Publication number Publication date
US3005684A (en) 1961-10-24
DE1021831B (de) 1958-01-02

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