BE443916A - - Google Patents
Info
- Publication number
- BE443916A BE443916A BE443916DA BE443916A BE 443916 A BE443916 A BE 443916A BE 443916D A BE443916D A BE 443916DA BE 443916 A BE443916 A BE 443916A
- Authority
- BE
- Belgium
- Prior art keywords
- gypsum
- emi
- phosphate
- phosphoric acid
- sulfuric acid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/185—Preparation neither from elemental phosphorus or phosphoric anhydride nor by reacting phosphate-containing material with an acid, e.g. by reacting phosphate-containing material with an ion-exchange resin or an acid salt used alone
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE878956X | 1938-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE443916A true BE443916A (en)) |
Family
ID=6818759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE443916D BE443916A (en)) | 1938-11-11 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE443916A (en)) |
| FR (1) | FR878956A (en)) |
| NL (1) | NL52497C (en)) |
-
0
- BE BE443916D patent/BE443916A/fr unknown
- NL NL52497D patent/NL52497C/xx active
-
1942
- 1942-01-31 FR FR878956D patent/FR878956A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR878956A (fr) | 1943-02-10 |
| NL52497C (en)) |
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