DE237449C - - Google Patents

Info

Publication number
DE237449C
DE237449C DENDAT237449D DE237449DA DE237449C DE 237449 C DE237449 C DE 237449C DE NDAT237449 D DENDAT237449 D DE NDAT237449D DE 237449D A DE237449D A DE 237449DA DE 237449 C DE237449 C DE 237449C
Authority
DE
Germany
Prior art keywords
hydrosulphite
possibly
magnesium
brought
reaction
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.)
Active
Application number
DENDAT237449D
Other languages
German (de)
Publication of DE237449C publication Critical patent/DE237449C/de
Active 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
    • 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)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch :Patent claim: 4545 Verfahren zur Darstellung von festem Alkalihydrosulfit, dadurch gekennzeichnet, daß Magnesiumhydrosulfit und Alkalichlorid im molekularen Verhältnis von ungefähr 2:1 in Lösung, eventuell unter starker Abkühlung, zur Umsetzung gebracht werden.Process for the preparation of solid alkali metal hydrosulphite, characterized in that that magnesium hydrosulphite and alkali chloride in the molecular ratio of about 2: 1 in solution, possibly with strong cooling, brought to reaction will.
DENDAT237449D Active DE237449C (en)

Publications (1)

Publication Number Publication Date
DE237449C true DE237449C (en)

Family

ID=497053

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT237449D Active DE237449C (en)

Country Status (1)

Country Link
DE (1) DE237449C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0639665A1 (en) * 1993-08-20 1995-02-22 Ciba-Geigy Ag Phosphate-free reducing and bleaching agent

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0639665A1 (en) * 1993-08-20 1995-02-22 Ciba-Geigy Ag Phosphate-free reducing and bleaching agent
US5547475A (en) * 1993-08-20 1996-08-20 Ciba-Geigy Corporation Phosphate-free reduction bleaching formulation

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