GB390743A - A process for the production of sodium metaphosphate suitable for use in baking powders - Google Patents

A process for the production of sodium metaphosphate suitable for use in baking powders

Info

Publication number
GB390743A
GB390743A GB28227/32A GB2822732A GB390743A GB 390743 A GB390743 A GB 390743A GB 28227/32 A GB28227/32 A GB 28227/32A GB 2822732 A GB2822732 A GB 2822732A GB 390743 A GB390743 A GB 390743A
Authority
GB
United Kingdom
Prior art keywords
metaphosphate
sodium metaphosphate
baking powders
heating
temperatures above
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
GB28227/32A
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.)
Chemische Fabrik Budenhiem KG
Original Assignee
Chemische Fabrik Budenhiem KG
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 Chemische Fabrik Budenhiem KG filed Critical Chemische Fabrik Budenhiem KG
Publication of GB390743A publication Critical patent/GB390743A/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
    • C01B25/38—Condensed phosphates
    • C01B25/44—Metaphosphates
    • C01B25/445—Metaphosphates of alkali metals
    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21D—TREATMENT, e.g. PRESERVATION, OF FLOUR OR DOUGH, e.g. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS; PRESERVATION THEREOF
    • A21D2/00—Treatment of flour or dough by adding materials thereto before or during baking
    • A21D2/02—Treatment of flour or dough by adding materials thereto before or during baking by adding inorganic substances

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

Sodium metaphosphate suitable for use as the acidic constituent of baking powders is obtained by heating sodium metaphosphate, obtained at any desired temperature, to temperatures above 1000 DEG C., preferably to 1200 DEG C. The heating may be continued at 1200 DEG C. for several hours. The metaphosphate may be obtained in an extremely finely divided form by subliming it at temperatures above 1200 DEG C. According to the Specification as open to inspection under Sect. 91 metaphosphates other than sodium metaphosphate may be rendered suitable to use as the acidic constituent of baking powders by the above heat treatment. This subject-matter does not appear in the Specification as accepted.ALSO:Sodium metaphosphate suitable for use as the acidic constituent of baking powders is obtained by heating sodium metaphosphate, obtained at any desired temperature, to temperatures above 1000 DEG C., preferably to 1200 DEG C. The heating may be continued at 1200 DEG C. for several hours. The metaphosphate may be obtained in an extremely finely divided form by subliming it at temperatures above 1200 DEG C. A baking powder is described consisting of the metaphosphate, sodium bicarbonate, and maize flour. According to the Specification as open to inspection under Sect. 91, metaphosphates other than sodium metaphosphate may be rendered suitable to use as the acidic constituent of baking powders by the above heat treatment. This subject-matter does not appear in the Specification as accepted.
GB28227/32A 1931-10-10 1932-10-10 A process for the production of sodium metaphosphate suitable for use in baking powders Expired GB390743A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE390743X 1931-10-10

Publications (1)

Publication Number Publication Date
GB390743A true GB390743A (en) 1933-04-13

Family

ID=6375803

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28227/32A Expired GB390743A (en) 1931-10-10 1932-10-10 A process for the production of sodium metaphosphate suitable for use in baking powders

Country Status (1)

Country Link
GB (1) GB390743A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE933141C (en) * 1948-10-02 1955-09-22 Willy Dr Weiss Baking powder acid carrier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE933141C (en) * 1948-10-02 1955-09-22 Willy Dr Weiss Baking powder acid carrier

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