GB760162A - Process of making sodium metaborate and compositions comprising the same - Google Patents
Process of making sodium metaborate and compositions comprising the sameInfo
- Publication number
- GB760162A GB760162A GB16113/54A GB1611354A GB760162A GB 760162 A GB760162 A GB 760162A GB 16113/54 A GB16113/54 A GB 16113/54A GB 1611354 A GB1611354 A GB 1611354A GB 760162 A GB760162 A GB 760162A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sodium
- water
- chlorate
- metaborate
- hydrate
- 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
- C01B35/00—Boron; Compounds thereof
- C01B35/08—Compounds containing boron and nitrogen, phosphorus, oxygen, sulfur, selenium or tellurium
- C01B35/10—Compounds containing boron and oxygen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B35/00—Boron; Compounds thereof
- C01B35/06—Boron halogen compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B35/00—Boron; Compounds thereof
- C01B35/08—Compounds containing boron and nitrogen, phosphorus, oxygen, sulfur, selenium or tellurium
- C01B35/10—Compounds containing boron and oxygen
- C01B35/12—Borates
Abstract
Hydrated sodium metaborate having at least 4 molecules of water of crystallization is prepared by mixing sodium biborate (borax) with sodium hydroxide in a molar ratio of 1 to 2 in the presence of water in an amount equal to that taken up by the desired hydrate, and agitating the mixture to obtain a granular hydrated metaborate. The quantity of water employed includes water added as such, formed is situ or present as water of crystallization. Equations illustrate the employment of sodium biborate penta- and deca-hydrate to obtain sodium metaborate tetra- and octa-hydrate. The caustic soda may be employed as a concentrated solution or as a solid. The reaction is preferably effected at 70 to 80 DEG F. Sodium chlorate may be incorporated during the reaction and preferably at a point before all the water is combined as water of crystallization, whereby a co-crystallized mixture of sodium metaborate hydrate and sodium chlorate is obtained which is suitable as a herbicide, and is non-inflamable. The amount of chlorate incorporated may be from 25 to 60 per cent of the mixture.ALSO:A non-inflammable herbicide consists of a co-crystallized granular solid composition of sodium metaborate octa- or tetrahydrate and sodium chlorate (see Group III). The chlorate may be present in amounts from 25 to 60 per cent.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US760162XA | 1953-07-31 | 1953-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB760162A true GB760162A (en) | 1956-10-31 |
Family
ID=22129399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB16113/54A Expired GB760162A (en) | 1953-07-31 | 1954-05-31 | Process of making sodium metaborate and compositions comprising the same |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB760162A (en) |
-
1954
- 1954-05-31 GB GB16113/54A patent/GB760162A/en not_active Expired
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