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
Application number
ES482523A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cros SA
Original Assignee
Cros SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cros SA filed Critical Cros SA
Priority to ES482523A priority Critical patent/ES482523A1/es
Publication of ES482523A1 publication Critical patent/ES482523A1/es
Priority to FR8015987A priority patent/FR2461680A1/fr
Expired legal-status Critical Current

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)
ES482523A 1979-07-17 1979-07-17 Procedimiento para la obtencion de un acido fosforico de al-ta pureza tecnica. Expired ES482523A1 (es)

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2461680B1 (fr) 1983-03-11
FR2461680A1 (fr) 1981-02-06

Similar Documents

Publication Publication Date Title
US2353782A (en) Electrolytic preparation of sodium ferricyanide
EP0161704A3 (en) Process for the production of water soluble ammonium phosphates
ES482523A1 (es) Procedimiento para la obtencion de un acido fosforico de al-ta pureza tecnica.
ES8104139A1 (es) Un procedimiento para la purificacion de acido fosforico
ES310273A1 (es) Procedimiento para la purificacion del yeso residual de la fabricacion de acido fosforico por ataque sulfurico de fosfatos naturales
GB1135063A (en) Process for the purification of malic acid
ES2004462A6 (es) Procedimiento para la produccion de acido borico puro
US2730542A (en) Process for preparing ethanol-2-aminophosphoric acid
GB1586830A (en) Electrolytic production of sodium persulphate
US3119662A (en) Stabilization of phosphoric acid
GB905817A (en) Improvements in the purification of citric acid
US2661268A (en) Production of hydrogen peroxide
GB891276A (en) Process for the manufacture of potassium fluoride, hydrogen fluoride and silica from potassium fluosilicate
US2862790A (en) Sulfamic acid purification
US3081345A (en) Production of oxalic acid
US3950384A (en) Process for the manufacture of nitrilotriacetonitrile
US3212849A (en) Conversion of ammonium fluoride to ammonium bifluoride by subatmospheric evaporationof an aqueous solution of ammonium fluoride
US2976118A (en) Method of preparing hypophosphites
SU1726381A1 (ru) Способ очистки сульфата меди
US2804459A (en) Preparation of 4-aminouracil
JPS5849538B2 (ja) 硫酸の作用によるグアニジン硝酸塩よりニトログアニジンの製造
US2234908A (en) Manufacture of hydrogen peroxide
US3723604A (en) Process for removing thiourea as an impurity from alkali-and alkaline earth-metal rhodanides
US3812124A (en) Method for preparing thiamine salts
JPS5764646A (en) Preparation of 2,6-dichloro-4-nitro-phenol

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970203