GB1016496A - Improvements in or relating to the purification of hydrofluoric acid - Google Patents
Improvements in or relating to the purification of hydrofluoric acidInfo
- Publication number
- GB1016496A GB1016496A GB2740762A GB2740762A GB1016496A GB 1016496 A GB1016496 A GB 1016496A GB 2740762 A GB2740762 A GB 2740762A GB 2740762 A GB2740762 A GB 2740762A GB 1016496 A GB1016496 A GB 1016496A
- Authority
- GB
- United Kingdom
- Prior art keywords
- purification
- relating
- hydrofluoric acid
- kmno4
- arsenic
- 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
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title 2
- 238000000746 purification Methods 0.000 title 1
- 229910052787 antimony Inorganic materials 0.000 abstract 3
- 229910052785 arsenic Inorganic materials 0.000 abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910001413 alkali metal ion Inorganic materials 0.000 abstract 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 abstract 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 abstract 2
- 239000012286 potassium permanganate Substances 0.000 abstract 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- 239000010436 fluorite Substances 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- YADSGOSSYOOKMP-UHFFFAOYSA-N lead dioxide Inorganic materials O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 abstract 1
- 239000007800 oxidant agent Substances 0.000 abstract 1
- 230000020477 pH reduction Effects 0.000 abstract 1
- 150000002978 peroxides Chemical class 0.000 abstract 1
- FHHJDRFHHWUPDG-UHFFFAOYSA-N peroxysulfuric acid Chemical compound OOS(O)(=O)=O FHHJDRFHHWUPDG-UHFFFAOYSA-N 0.000 abstract 1
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 abstract 1
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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1386561 | 1961-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1016496A true GB1016496A (en) | 1966-01-12 |
Family
ID=11144703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2740762A Expired GB1016496A (en) | 1961-07-27 | 1962-07-17 | Improvements in or relating to the purification of hydrofluoric acid |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE620698A (enrdf_load_stackoverflow) |
| GB (1) | GB1016496A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0351107A1 (en) * | 1988-07-11 | 1990-01-17 | AlliedSignal Inc. | Manufacture of high purity low arsenic anhydrous hydrogen fluoride |
-
0
- BE BE620698D patent/BE620698A/xx unknown
-
1962
- 1962-07-17 GB GB2740762A patent/GB1016496A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0351107A1 (en) * | 1988-07-11 | 1990-01-17 | AlliedSignal Inc. | Manufacture of high purity low arsenic anhydrous hydrogen fluoride |
| WO1990000521A1 (en) * | 1988-07-11 | 1990-01-25 | Allied-Signal Inc. | Manufacture of high purity low arsenic anhydrous hydrogen fluoride |
Also Published As
| Publication number | Publication date |
|---|---|
| BE620698A (enrdf_load_stackoverflow) |
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