FR1595086A - - Google Patents

Info

Publication number
FR1595086A
FR1595086A FR1595086DA FR1595086A FR 1595086 A FR1595086 A FR 1595086A FR 1595086D A FR1595086D A FR 1595086DA FR 1595086 A FR1595086 A FR 1595086A
Authority
FR
France
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
Other languages
French (fr)
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
Priority claimed from DE19671667435 external-priority patent/DE1667435C2/en
Application filed filed Critical
Application granted granted Critical
Publication of FR1595086A publication Critical patent/FR1595086A/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
    • C01B25/237—Selective elimination of impurities
    • C01B25/2372—Anionic impurities, e.g. silica or boron compounds
    • C01B25/2375—Fluoride or fluosilicate anion
    • 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)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
FR1595086D 1967-12-19 1968-12-13 Expired FR1595086A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671667435 DE1667435C2 (en) 1967-12-19 1967-12-19 Process for the production of low fluorine phosphoric acid

Publications (1)

Publication Number Publication Date
FR1595086A true FR1595086A (en) 1970-06-08

Family

ID=5685962

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1595086D Expired FR1595086A (en) 1967-12-19 1968-12-13

Country Status (3)

Country Link
DE (1) DE1667435B1 (en)
FR (1) FR1595086A (en)
SE (1) SE339937B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS516894A (en) * 1974-07-09 1976-01-20 Toyo Soda Mfg Co Ltd Seiseirinsanno seizoho
AU2809589A (en) * 1987-10-30 1989-05-23 Designer Premixes Inc. Production of low-fluorine calcium phosphate and phosphoric acid and of silica

Also Published As

Publication number Publication date
DE1667435B1 (en) 1971-09-16
SE339937B (en) 1971-11-01

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Legal Events

Date Code Title Description
ST Notification of lapse