FR652258A - Process for the preparation of hydrofluoric acid and other fluorine compounds, poor in silicon compounds - Google Patents
Process for the preparation of hydrofluoric acid and other fluorine compounds, poor in silicon compoundsInfo
- Publication number
- FR652258A FR652258A FR652258DA FR652258A FR 652258 A FR652258 A FR 652258A FR 652258D A FR652258D A FR 652258DA FR 652258 A FR652258 A FR 652258A
- Authority
- FR
- France
- Prior art keywords
- compounds
- poor
- preparation
- hydrofluoric acid
- fluorine
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS289383X | 1927-04-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR652258A true FR652258A (en) | 1929-03-06 |
Family
ID=5452034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR652258D Expired FR652258A (en) | 1927-04-25 | 1928-04-05 | Process for the preparation of hydrofluoric acid and other fluorine compounds, poor in silicon compounds |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR652258A (en) |
GB (1) | GB289383A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE964232C (en) * | 1952-01-19 | 1957-05-23 | Godfrey L Cabot Inc | Process for the processing of fluorspar containing silicic acid with hydrofluoric acid |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2426841A (en) * | 1946-01-23 | 1947-09-02 | Socony Vacuum Oil Co Inc | Recovery of hydrogen fluoride |
US2661319A (en) * | 1950-03-21 | 1953-12-01 | Standard Oil Co | Hydrogen fluoride purification |
US3167391A (en) * | 1963-07-18 | 1965-01-26 | Harshaw Chem Corp | Purification of anhydrous hydrogen fluoride |
US4062930A (en) * | 1973-05-31 | 1977-12-13 | Bohdan Zawadzki | Method of production of anhydrous hydrogen fluoride |
CN113426154A (en) * | 2021-07-12 | 2021-09-24 | 宣城亨泰电子化学材料有限公司 | Electron-grade anhydrous hydrogen fluoride anion removing device |
-
1928
- 1928-04-05 FR FR652258D patent/FR652258A/en not_active Expired
- 1928-04-24 GB GB12008/28A patent/GB289383A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE964232C (en) * | 1952-01-19 | 1957-05-23 | Godfrey L Cabot Inc | Process for the processing of fluorspar containing silicic acid with hydrofluoric acid |
Also Published As
Publication number | Publication date |
---|---|
GB289383A (en) | 1929-07-04 |
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