GB1411185A - Method for the manufacture of alkali metal hydrosulphites - Google Patents
Method for the manufacture of alkali metal hydrosulphitesInfo
- Publication number
- GB1411185A GB1411185A GB135273A GB135273A GB1411185A GB 1411185 A GB1411185 A GB 1411185A GB 135273 A GB135273 A GB 135273A GB 135273 A GB135273 A GB 135273A GB 1411185 A GB1411185 A GB 1411185A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkali metal
- hydrosulphites
- manufacture
- metal hydrosulphites
- metabisulphite
- 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
- 229910052783 alkali metal Inorganic materials 0.000 title abstract 5
- -1 alkali metal hydrosulphites Chemical class 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 abstract 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 abstract 1
- OHLUUHNLEMFGTQ-UHFFFAOYSA-N N-methylacetamide Chemical compound CNC(C)=O OHLUUHNLEMFGTQ-UHFFFAOYSA-N 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- WBZKQQHYRPRKNJ-UHFFFAOYSA-L disulfite Chemical compound [O-]S(=O)S([O-])(=O)=O WBZKQQHYRPRKNJ-UHFFFAOYSA-L 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- AJFDBNQQDYLMJN-UHFFFAOYSA-N n,n-diethylacetamide Chemical compound CCN(CC)C(C)=O AJFDBNQQDYLMJN-UHFFFAOYSA-N 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract 1
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 1
- 239000004291 sulphur dioxide Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-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
- C01B17/00—Sulfur; Compounds thereof
- C01B17/64—Thiosulfates; Dithionites; Polythionates
- C01B17/66—Dithionites or hydrosulfites (S2O42-)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00277706A US3826818A (en) | 1972-08-03 | 1972-08-03 | Method for making anhydrous alkali metal hydrosulfites |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1411185A true GB1411185A (en) | 1975-10-22 |
Family
ID=23062025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB135273A Expired GB1411185A (en) | 1972-08-03 | 1973-01-10 | Method for the manufacture of alkali metal hydrosulphites |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3826818A (enrdf_load_stackoverflow) |
| JP (1) | JPS4945898A (enrdf_load_stackoverflow) |
| CA (1) | CA976725A (enrdf_load_stackoverflow) |
| DE (1) | DE2260208A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2194644B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1411185A (enrdf_load_stackoverflow) |
| IT (1) | IT974488B (enrdf_load_stackoverflow) |
| SE (1) | SE369704B (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1461785A (en) * | 1973-03-30 | 1977-01-19 | Boc Ltd | Alkali metal dithionite manufacture |
| JPS53142398A (en) * | 1977-05-17 | 1978-12-12 | Mitsubishi Gas Chem Co Inc | Production of dithionite |
| JPS5673602A (en) * | 1979-11-22 | 1981-06-18 | Korea Inst Sci & Tech | Manufacture of sodium dithio acid anhydride |
| US4680136A (en) * | 1985-05-07 | 1987-07-14 | Stora Kopparbergs Bergslags Ab | Method for preparing compositions which can be used in the production of sodium dithionite; and the use of such compositions |
-
1972
- 1972-08-03 US US00277706A patent/US3826818A/en not_active Expired - Lifetime
- 1972-10-17 JP JP47103289A patent/JPS4945898A/ja active Pending
- 1972-11-14 SE SE14795/72A patent/SE369704B/xx unknown
- 1972-11-22 IT IT54212/72A patent/IT974488B/it active
- 1972-12-08 DE DE2260208A patent/DE2260208A1/de active Pending
- 1972-12-18 CA CA159,197A patent/CA976725A/en not_active Expired
-
1973
- 1973-01-10 GB GB135273A patent/GB1411185A/en not_active Expired
- 1973-01-29 FR FR7303068A patent/FR2194644B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT974488B (it) | 1974-06-20 |
| SE369704B (enrdf_load_stackoverflow) | 1974-09-16 |
| CA976725A (en) | 1975-10-28 |
| FR2194644A1 (enrdf_load_stackoverflow) | 1974-03-01 |
| DE2260208A1 (de) | 1974-02-14 |
| US3826818A (en) | 1974-07-30 |
| FR2194644B1 (enrdf_load_stackoverflow) | 1977-12-30 |
| JPS4945898A (enrdf_load_stackoverflow) | 1974-05-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |