GB1174382A - A Method for Purifying Hydrofluoric Acid. - Google Patents

A Method for Purifying Hydrofluoric Acid.

Info

Publication number
GB1174382A
GB1174382A GB5379/68A GB537968A GB1174382A GB 1174382 A GB1174382 A GB 1174382A GB 5379/68 A GB5379/68 A GB 5379/68A GB 537968 A GB537968 A GB 537968A GB 1174382 A GB1174382 A GB 1174382A
Authority
GB
United Kingdom
Prior art keywords
hydrofluoric acid
column
kmno
supplied
acid
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
GB5379/68A
Other languages
English (en)
Inventor
Maxim Ivanovich Kafyrov
Valentin Ivanovich Nizov
Nikolai Mironovich Pronchuk
Ljudmila Fedorovna Shmeleva
Ilia Grigorievich Shafran
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.)
Individual
Original Assignee
Individual
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 to FR132211A priority Critical patent/FR1561184A/fr
Priority to BE708174D priority patent/BE708174A/xx
Priority to DE19681667579 priority patent/DE1667579B1/de
Application filed by Individual filed Critical Individual
Priority to GB5379/68A priority patent/GB1174382A/en
Publication of GB1174382A publication Critical patent/GB1174382A/en
Expired 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
GB5379/68A 1967-12-14 1968-02-02 A Method for Purifying Hydrofluoric Acid. Expired GB1174382A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR132211A FR1561184A (enrdf_load_stackoverflow) 1967-12-14 1967-12-14
BE708174D BE708174A (enrdf_load_stackoverflow) 1967-12-14 1967-12-18
DE19681667579 DE1667579B1 (de) 1967-12-14 1968-01-29 Verfahren zur Reinigung von Fluorwasserstoffsaeure
GB5379/68A GB1174382A (en) 1967-12-14 1968-02-02 A Method for Purifying Hydrofluoric Acid.

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
GB1174382A true GB1174382A (en) 1969-12-17

Family

ID=27424897

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5379/68A Expired GB1174382A (en) 1967-12-14 1968-02-02 A Method for Purifying Hydrofluoric Acid.

Country Status (4)

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

Cited By (6)

* 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
CN109279578A (zh) * 2018-10-17 2019-01-29 杨松 一种制备电子级氟化氢精馏装置的使用方法
CN109292737A (zh) * 2018-10-17 2019-02-01 杨松 一种制备氟化氢循环流化床脱气装置的使用方法
CN115433580A (zh) * 2022-10-27 2022-12-06 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
CN116835531A (zh) * 2023-06-30 2023-10-03 无锡英罗唯森科技有限公司 一种电子级氢氟酸制备装置及方法
CN118458698A (zh) * 2024-02-05 2024-08-09 上海联风气体有限公司 用于光伏废酸的氢氟酸再生方法

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

Cited By (8)

* 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
CN109279578A (zh) * 2018-10-17 2019-01-29 杨松 一种制备电子级氟化氢精馏装置的使用方法
CN109292737A (zh) * 2018-10-17 2019-02-01 杨松 一种制备氟化氢循环流化床脱气装置的使用方法
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
CN115433580A (zh) * 2022-10-27 2022-12-06 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
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
CN116835531A (zh) * 2023-06-30 2023-10-03 无锡英罗唯森科技有限公司 一种电子级氢氟酸制备装置及方法
CN118458698A (zh) * 2024-02-05 2024-08-09 上海联风气体有限公司 用于光伏废酸的氢氟酸再生方法

Also Published As

Publication number Publication date
BE708174A (enrdf_load_stackoverflow) 1968-06-18
FR1561184A (enrdf_load_stackoverflow) 1969-03-28
DE1667579B1 (de) 1970-11-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee