FR1191558A - Preparation of colorless alkaline phosphates - Google Patents

Preparation of colorless alkaline phosphates

Info

Publication number
FR1191558A
FR1191558A FR1191558DA FR1191558A FR 1191558 A FR1191558 A FR 1191558A FR 1191558D A FR1191558D A FR 1191558DA FR 1191558 A FR1191558 A FR 1191558A
Authority
FR
France
Prior art keywords
preparation
alkaline phosphates
colorless alkaline
colorless
phosphates
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
Other languages
French (fr)
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
Manufactures des Glaces et Produits Chimiques de Saint Gobain 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 Compagnie de Saint Gobain SA, Manufactures des Glaces et Produits Chimiques de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Application granted granted Critical
Publication of FR1191558A publication Critical patent/FR1191558A/en
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
    • C01B25/26—Phosphates
    • C01B25/30—Alkali metal phosphates
    • C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
    • C01B25/303—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
FR1191558D 1957-03-19 1958-02-14 Preparation of colorless alkaline phosphates Expired FR1191558A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE1191558X 1957-03-19

Publications (1)

Publication Number Publication Date
FR1191558A true FR1191558A (en) 1959-10-20

Family

ID=3894299

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1191558D Expired FR1191558A (en) 1957-03-19 1958-02-14 Preparation of colorless alkaline phosphates

Country Status (1)

Country Link
FR (1) FR1191558A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2317223A1 (en) * 1975-06-28 1977-02-04 Hoechst Ag NEW PROCESS FOR THE PREPARATION OF ALKALINE PHOSPHATE SOLUTIONS POOR IN VANADIUM
FR2317222A1 (en) * 1975-06-28 1977-02-04 Hoechst Ag METHOD FOR PREPARING SOLUTIONS OF ALKALINE PHOSPHATES LOW IN VANADIUM
EP0178517A2 (en) * 1984-10-15 1986-04-23 Hoechst Aktiengesellschaft Process for the reduction of iron and vanadium in phosphoric-acid solutions

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2317223A1 (en) * 1975-06-28 1977-02-04 Hoechst Ag NEW PROCESS FOR THE PREPARATION OF ALKALINE PHOSPHATE SOLUTIONS POOR IN VANADIUM
FR2317222A1 (en) * 1975-06-28 1977-02-04 Hoechst Ag METHOD FOR PREPARING SOLUTIONS OF ALKALINE PHOSPHATES LOW IN VANADIUM
EP0178517A2 (en) * 1984-10-15 1986-04-23 Hoechst Aktiengesellschaft Process for the reduction of iron and vanadium in phosphoric-acid solutions
EP0178517A3 (en) * 1984-10-15 1987-03-25 Hoechst Aktiengesellschaft Process for the reduction of iron and vanadium in phosphoric-acid solutions

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