GB801572A - Improvements in the manufacture of potassium pyroantimonate - Google Patents
Improvements in the manufacture of potassium pyroantimonateInfo
- Publication number
- GB801572A GB801572A GB1000656A GB1000656A GB801572A GB 801572 A GB801572 A GB 801572A GB 1000656 A GB1000656 A GB 1000656A GB 1000656 A GB1000656 A GB 1000656A GB 801572 A GB801572 A GB 801572A
- Authority
- GB
- United Kingdom
- Prior art keywords
- trioxide
- pyroantimonate
- potassium
- potassium hydroxide
- batch
- 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
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G30/00—Compounds of antimony
- C01G30/02—Antimonates; Antimonites
- C01G30/023—Antimonates; Antimonites of ammonium, alkali or alkaline-earth metals or magnesium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Hydrogen peroxide is added with stirring to a suspension of antimony trioxide in aqueous potassium hydroxide at an initial temperature not exceeding 35 DEG C. at such a rate that the mixture does not rise above 85 DEG C., whereby potassium pyroantimonate is formed. The potassium hydroxide is present in such amount in excess of that required by the formula, that the solubility of the pyroantimonate is depressed and it settles out in not more than 12 hours but not so rapidly as to coat the trioxide and stifle the reaction. This amount increases as the concentration of trioxide in the suspension decreases. Using 190 g. of the trioxide in 750 cc. of water a 25-100 per cent excess of potassium hydroxide may be used. The mixture may be heated up to 95 DEG C. after adding the hydroxide. In the example, a second batch of potassium pyroantimonate was obtained by adding further quantities of the reactants to the mother liquor from the first batch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1000656A GB801572A (en) | 1956-03-29 | 1956-03-29 | Improvements in the manufacture of potassium pyroantimonate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1000656A GB801572A (en) | 1956-03-29 | 1956-03-29 | Improvements in the manufacture of potassium pyroantimonate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB801572A true GB801572A (en) | 1958-09-17 |
Family
ID=9959656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1000656A Expired GB801572A (en) | 1956-03-29 | 1956-03-29 | Improvements in the manufacture of potassium pyroantimonate |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB801572A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2166018A1 (en) * | 1971-12-27 | 1973-08-10 | Petrow Henry |
-
1956
- 1956-03-29 GB GB1000656A patent/GB801572A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2166018A1 (en) * | 1971-12-27 | 1973-08-10 | Petrow Henry |
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