FR1561184A - - Google Patents

Info

Publication number
FR1561184A
FR1561184A FR132211A FR1561184DA FR1561184A FR 1561184 A FR1561184 A FR 1561184A FR 132211 A FR132211 A FR 132211A FR 1561184D A FR1561184D A FR 1561184DA FR 1561184 A FR1561184 A FR 1561184A
Authority
FR
France
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
FR132211A
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 FR1561184A publication Critical patent/FR1561184A/fr
Expired legal-status Critical Current

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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)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR132211A 1967-12-14 1967-12-14 Expired FR1561184A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR132211 1967-12-14
BE708174 1967-12-18
DEK0064579 1968-01-29
GB5379/68A GB1174382A (en) 1967-12-14 1968-02-02 A Method for Purifying Hydrofluoric Acid.

Publications (1)

Publication Number Publication Date
FR1561184A true FR1561184A (fr) 1969-03-28

Family

ID=27424897

Family Applications (1)

Application Number Title Priority Date Filing Date
FR132211A Expired FR1561184A (fr) 1967-12-14 1967-12-14

Country Status (4)

Country Link
BE (1) BE708174A (fr)
DE (1) DE1667579B1 (fr)
FR (1) FR1561184A (fr)
GB (1) GB1174382A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083941A (en) * 1977-04-18 1978-04-11 E. I. Du Pont De Nemours And Company Purification of anhydrous hydrogen fluoride
CN109292737B (zh) * 2018-10-17 2020-03-10 杨松 一种制备氟化氢循环流化床脱气装置的使用方法
CN109279578B (zh) * 2018-10-17 2020-03-06 杨松 一种制备电子级氟化氢精馏装置的使用方法
CN115433580B (zh) * 2022-10-27 2023-08-18 湖北九宁化学科技有限公司 一种光电行业蚀刻液的生产方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1335675A (fr) * 1961-07-27 1963-08-23 I C P M Ind Chimiche Porto Mar Procédé pour l'élimination de composés d'arsenic et d'antimoine de l'acide fluorhdrique moyennant la formation de complexes, facilement séparables, entre l'arsenic et l'antimoine, le fluor et un métal alcalin
FR1358123A (fr) * 1962-06-04 1964-04-10 Union Carbide Corp Purification de l'acide fluorhydrique

Also Published As

Publication number Publication date
BE708174A (fr) 1968-06-18
DE1667579B1 (de) 1970-11-05
GB1174382A (en) 1969-12-17

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Legal Events

Date Code Title Description
ST Notification of lapse