FR1335675A - Process for the removal of arsenic and antimony compounds from hydrofluoric acid by forming easily separable complexes between arsenic and antimony, fluorine and an alkali metal - Google Patents

Process for the removal of arsenic and antimony compounds from hydrofluoric acid by forming easily separable complexes between arsenic and antimony, fluorine and an alkali metal

Info

Publication number
FR1335675A
FR1335675A FR904902A FR904902A FR1335675A FR 1335675 A FR1335675 A FR 1335675A FR 904902 A FR904902 A FR 904902A FR 904902 A FR904902 A FR 904902A FR 1335675 A FR1335675 A FR 1335675A
Authority
FR
France
Prior art keywords
arsenic
antimony
fluorine
removal
alkali metal
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
FR904902A
Other languages
French (fr)
Inventor
Roberto Trupiano
Alberto Cosani
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.)
I C P M IND CHIMICHE PORTO MAR
I C P M INDUSTRIE CHIMICHE PORTO MARGHERA SpA
Original Assignee
I C P M IND CHIMICHE PORTO MAR
I C P M INDUSTRIE CHIMICHE PORTO MARGHERA SpA
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 I C P M IND CHIMICHE PORTO MAR, I C P M INDUSTRIE CHIMICHE PORTO MARGHERA SpA filed Critical I C P M IND CHIMICHE PORTO MAR
Priority to FR904902A priority Critical patent/FR1335675A/en
Application granted granted Critical
Publication of FR1335675A publication Critical patent/FR1335675A/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
    • C01B7/195—Separation; Purification
    • C01B7/196—Separation; Purification by distillation
    • 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
    • C01B7/195—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
FR904902A 1961-07-27 1962-07-24 Process for the removal of arsenic and antimony compounds from hydrofluoric acid by forming easily separable complexes between arsenic and antimony, fluorine and an alkali metal Expired FR1335675A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR904902A FR1335675A (en) 1961-07-27 1962-07-24 Process for the removal of arsenic and antimony compounds from hydrofluoric acid by forming easily separable complexes between arsenic and antimony, fluorine and an alkali metal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1386561 1961-07-27
FR904902A FR1335675A (en) 1961-07-27 1962-07-24 Process for the removal of arsenic and antimony compounds from hydrofluoric acid by forming easily separable complexes between arsenic and antimony, fluorine and an alkali metal

Publications (1)

Publication Number Publication Date
FR1335675A true FR1335675A (en) 1963-08-23

Family

ID=26196775

Family Applications (1)

Application Number Title Priority Date Filing Date
FR904902A Expired FR1335675A (en) 1961-07-27 1962-07-24 Process for the removal of arsenic and antimony compounds from hydrofluoric acid by forming easily separable complexes between arsenic and antimony, fluorine and an alkali metal

Country Status (1)

Country Link
FR (1) FR1335675A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1667579B1 (en) * 1967-12-14 1970-11-05 Kafyrov Maksim Ivanovic Process for purifying hydrofluoric acid
EP0160737A2 (en) * 1984-05-03 1985-11-13 ATOCHEM NORTH AMERICA, INC. (a Pennsylvania corp.) Removal of arsenic from hydrogen fluoride
US4756899A (en) * 1987-02-12 1988-07-12 Allied-Signal Inc. Manufacture of high purity low arsenic anhydrous hydrogen fluoride
US4929435A (en) * 1987-02-12 1990-05-29 Allied-Signal Inc. Manufacture of high purity low arsenic anhydrous hydrogen fluoride
EP0430401A1 (en) * 1989-11-30 1991-06-05 E.I. Du Pont De Nemours And Company Process for purifying hydrogen fluoride

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1667579B1 (en) * 1967-12-14 1970-11-05 Kafyrov Maksim Ivanovic Process for purifying hydrofluoric acid
EP0160737A2 (en) * 1984-05-03 1985-11-13 ATOCHEM NORTH AMERICA, INC. (a Pennsylvania corp.) Removal of arsenic from hydrogen fluoride
EP0160737A3 (en) * 1984-05-03 1987-11-11 Pennwalt Corporation Removal of arsenic from hydrogen fluoride
US4756899A (en) * 1987-02-12 1988-07-12 Allied-Signal Inc. Manufacture of high purity low arsenic anhydrous hydrogen fluoride
US4929435A (en) * 1987-02-12 1990-05-29 Allied-Signal Inc. Manufacture of high purity low arsenic anhydrous hydrogen fluoride
EP0430401A1 (en) * 1989-11-30 1991-06-05 E.I. Du Pont De Nemours And Company Process for purifying hydrogen fluoride

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