ES482523A1 - Procedimiento para la obtencion de un acido fosforico de al-ta pureza tecnica. - Google Patents
Procedimiento para la obtencion de un acido fosforico de al-ta pureza tecnica.Info
- Publication number
- ES482523A1 ES482523A1 ES482523A ES482523A ES482523A1 ES 482523 A1 ES482523 A1 ES 482523A1 ES 482523 A ES482523 A ES 482523A ES 482523 A ES482523 A ES 482523A ES 482523 A1 ES482523 A1 ES 482523A1
- Authority
- ES
- Spain
- Prior art keywords
- urea
- phosphoric acid
- acid
- phosphate
- reaction
- 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
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES482523A ES482523A1 (es) | 1979-07-17 | 1979-07-17 | Procedimiento para la obtencion de un acido fosforico de al-ta pureza tecnica. |
FR8015987A FR2461680A1 (fr) | 1979-07-17 | 1980-07-16 | Procede de preparation d'un acide phosphorique d'une grande purete technique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES482523A ES482523A1 (es) | 1979-07-17 | 1979-07-17 | Procedimiento para la obtencion de un acido fosforico de al-ta pureza tecnica. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES482523A1 true ES482523A1 (es) | 1980-05-16 |
Family
ID=8478651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES482523A Expired ES482523A1 (es) | 1979-07-17 | 1979-07-17 | Procedimiento para la obtencion de un acido fosforico de al-ta pureza tecnica. |
Country Status (2)
Country | Link |
---|---|
ES (1) | ES482523A1 (fr) |
FR (1) | FR2461680A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108530207A (zh) * | 2018-07-02 | 2018-09-14 | 郑州大学 | 一种用脲硝酸分解磷矿制备颗粒脲硝基复合肥的方法 |
-
1979
- 1979-07-17 ES ES482523A patent/ES482523A1/es not_active Expired
-
1980
- 1980-07-16 FR FR8015987A patent/FR2461680A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2461680B1 (fr) | 1983-03-11 |
FR2461680A1 (fr) | 1981-02-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970203 |