BE858510Q - Procede de preparation de dithionite de sodium anhydre - Google Patents

Procede de preparation de dithionite de sodium anhydre

Info

Publication number
BE858510Q
BE858510Q BE180759A BE180759A BE858510Q BE 858510 Q BE858510 Q BE 858510Q BE 180759 A BE180759 A BE 180759A BE 180759 A BE180759 A BE 180759A BE 858510 Q BE858510 Q BE 858510Q
Authority
BE
Belgium
Prior art keywords
anhydrous sodium
sodium dithionite
preparing anhydrous
preparing
dithionite
Prior art date
Application number
BE180759A
Other languages
English (en)
French (fr)
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of BE858510Q publication Critical patent/BE858510Q/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/64—Thiosulfates; Dithionites; Polythionates
    • C01B17/66—Dithionites or hydrosulfites (S2O42-)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Carbon And Carbon Compounds (AREA)
BE180759A 1974-09-05 1977-09-08 Procede de preparation de dithionite de sodium anhydre BE858510Q (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2442418A DE2442418B2 (de) 1974-09-05 1974-09-05 Verfahren zur Herstellung von Natriumdithionit

Publications (1)

Publication Number Publication Date
BE858510Q true BE858510Q (fr) 1978-01-02

Family

ID=5924888

Family Applications (1)

Application Number Title Priority Date Filing Date
BE180759A BE858510Q (fr) 1974-09-05 1977-09-08 Procede de preparation de dithionite de sodium anhydre

Country Status (8)

Country Link
US (1) US4017593A (xx)
JP (1) JPS5154897A (xx)
BE (1) BE858510Q (xx)
CA (1) CA1067676A (xx)
DE (1) DE2442418B2 (xx)
FR (1) FR2283860A1 (xx)
GB (1) GB1520403A (xx)
IT (1) IT1044498B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS534793A (en) * 1976-01-06 1978-01-17 Mitsui Toatsu Chem Inc Production of stable anhydrous sodium dithionite
DE2620096C3 (de) * 1975-05-13 1981-10-15 Mitsui Toatsu Chemicals, Inc., Tokyo Verfahren zur kontinuierlichen Herstellung von wasserfreiem Natriumdithionit
US4680136A (en) * 1985-05-07 1987-07-14 Stora Kopparbergs Bergslags Ab Method for preparing compositions which can be used in the production of sodium dithionite; and the use of such compositions
DE102004053090A1 (de) * 2004-11-03 2006-05-04 Basf Ag Verfahren zur Herstellung von Natriumdithionit
CN105668523A (zh) * 2016-03-19 2016-06-15 安徽东至广信农化有限公司 一种大苏打的生产工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2010615A (en) * 1933-07-31 1935-08-06 Victor Chemical Works Production of anhydrous alkali metal hyposulphites
US3411875A (en) * 1964-04-08 1968-11-19 Mitsubishi Edogawa Kagaku Kk Process for the production of anhydrous hydrosulfites
SE366280B (xx) * 1969-04-28 1974-04-22 Virginia Chemicals Inc
GB1322250A (en) * 1969-10-30 1973-07-04 Sumitomo Chemical Co Method for producing anhydrous sodium dithionite
JPS4814558B1 (xx) * 1969-11-07 1973-05-08
FR2177514A1 (en) * 1972-03-28 1973-11-09 Sumitomo Chemical Co Anhyd sodium dithionite - from sodium formate, sulphur dioxide and alkali in alcoholic soln
GB1461785A (en) * 1973-03-30 1977-01-19 Boc Ltd Alkali metal dithionite manufacture
BE813065A (en) * 1973-03-30 1974-07-15 Alkali metal dithionites from formates - with sulphur dioxide and a basic alkali metal in 2-methoxyethanol avoiding pressure reaction

Also Published As

Publication number Publication date
DE2442418A1 (de) 1976-03-18
US4017593A (en) 1977-04-12
GB1520403A (en) 1978-08-09
CA1067676A (en) 1979-12-11
FR2283860B1 (xx) 1979-06-22
DE2442418B2 (de) 1980-04-17
FR2283860A1 (fr) 1976-04-02
JPS5154897A (xx) 1976-05-14
IT1044498B (it) 1980-03-20

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BASF A.G.

Effective date: 19890930