CA973681A - Manufacture of phosphorous acids - Google Patents

Manufacture of phosphorous acids

Info

Publication number
CA973681A
CA973681A CA147,554A CA147554A CA973681A CA 973681 A CA973681 A CA 973681A CA 147554 A CA147554 A CA 147554A CA 973681 A CA973681 A CA 973681A
Authority
CA
Canada
Prior art keywords
manufacture
phosphorous acids
phosphorous
acids
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
CA147,554A
Other versions
CA147554S (en
Inventor
Edward J. Lowe
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.)
Solvay Solutions UK Ltd
Original Assignee
Albright and Wilson Ltd
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 Albright and Wilson Ltd filed Critical Albright and Wilson Ltd
Application granted granted Critical
Publication of CA973681A publication Critical patent/CA973681A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
CA147,554A 1971-07-20 1972-07-20 Manufacture of phosphorous acids Expired CA973681A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3388971A GB1401616A (en) 1971-07-20 1971-07-20 Manufacture of phosphorus acids

Publications (1)

Publication Number Publication Date
CA973681A true CA973681A (en) 1975-09-02

Family

ID=10358766

Family Applications (1)

Application Number Title Priority Date Filing Date
CA147,554A Expired CA973681A (en) 1971-07-20 1972-07-20 Manufacture of phosphorous acids

Country Status (9)

Country Link
AU (1) AU464489B2 (en)
BE (1) BE786524A (en)
CA (1) CA973681A (en)
CH (1) CH573869A5 (en)
DE (1) DE2235425A1 (en)
FR (1) FR2146402B1 (en)
GB (1) GB1401616A (en)
IT (1) IT964718B (en)
NL (1) NL7209962A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3725583A1 (en) * 1987-08-01 1989-02-09 Budenheim Rud A Oetker Chemie Phosphorous acid solns. of low iron and arsenic content - prepd. by converting sec. calcium phosphite to prim. calcium phosphite solns., removing iron and arsenic by pptn. etc
GB9008406D0 (en) * 1990-04-12 1990-06-13 Albright & Wilson Process for producing phosphorous acid
CN103864038B (en) * 2012-12-15 2016-01-20 临沭县华盛化工有限公司 Phosphorous acid removes the method for hydrochloric acid in producing

Also Published As

Publication number Publication date
FR2146402A1 (en) 1973-03-02
CH573869A5 (en) 1976-03-31
BE786524A (en) 1972-11-16
GB1401616A (en) 1975-07-16
FR2146402B1 (en) 1974-07-26
NL7209962A (en) 1973-01-23
AU4474372A (en) 1974-01-24
IT964718B (en) 1974-01-31
AU464489B2 (en) 1975-08-28
DE2235425A1 (en) 1973-02-15

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