AT58922B - Process for the deposition of crystallized monozinc formaldehyde sulfoxylate. - Google Patents

Process for the deposition of crystallized monozinc formaldehyde sulfoxylate.

Info

Publication number
AT58922B
AT58922B AT58922DA AT58922B AT 58922 B AT58922 B AT 58922B AT 58922D A AT58922D A AT 58922DA AT 58922 B AT58922 B AT 58922B
Authority
AT
Austria
Prior art keywords
monozinc
formaldehyde sulfoxylate
crystallized
deposition
zinc
Prior art date
Application number
Other languages
German (de)
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 AT58922B publication Critical patent/AT58922B/en

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Verfahren zur Abscheidung von kristallisiertem Monozinkformaldehydsulfoxylat. 
 EMI1.1 
 wasserhaltiger Form als auch als Anhydrid existiert (Berichte 1909 [42]. Seite 4637. 



    Anis. 1),   ein   schwerlösliches Pulver dar, welches   unter der   Bezeichnung . Decrohn". n   den Handel kommt. Dampft man hingegen Lösungen, welche das dem gewohnlichen Natriumformaldehydsulfoxylat entsprechende Monozinksalz enthalten ein, so erhalt   man.   gleichgiltig ob dieses Zinksalz allein oder zusammen mit manchen anderen Salzen. wie Formaldehydzinkbisulfit in Lösung war, einen zähen Sirup, welcher heim   Erka) ten haung   zu einer glasigen Masse erstarrt. 



   Es wurde nun gefunden, dass sich dieses Monozinkformaldehydsnlfoxylat aus seinen wässerigen Lösungen in Kristallen erhalten lässt, wenn man die Lösungen am besten unter 
 EMI1.2 
 in das die gesättigte Lösung enthaltende Eindampfgefäss emgebracht werden. Wenn nach dem Impfen die Abscheidung von Kristallen aus der wässerigen Lösung begonnen hat. 
 EMI1.3 
 der Kristalle nicht mehr stattfindet. Man saugt ah oder schleudert, wascht eventuell mit Alkohol nach und trocknet im Vakuum. 
 EMI1.4 
 salzes ausgehen oder von solchen, weiche gleichzeitig andere Salze enthalten. In einfacher Weise kann man z. B.

   Lösungen des leicht zugänglichen Zinkformaldehydrosulfits, also 
 EMI1.5 
 

 <Desc/Clms Page number 2> 

   Monozinksalzes   verwenden, die aus dem schwerlöslichen Zinksalz durch Zusatz der entsprechenden Menge Säure oder aus dem Natriumformaldehydsulfoxylat durch Umsetzen mit einem Zinksalz in wässeriger Lösung erhalten werden, wobei dann beim Eindampfen entweder, wie bei Verwendung von Zinksulfat, zunächst das schwerlösliche Natriumsulfat ausfällt, welches man entfernt oder, wie bei Verwendung von Chlorzink, gleich das Mono-   zinkformaldehydsulfoxylat   gewonnen wird. 



   Das nach vorliegendem Verfahren erhaltene Monozinkformaldehydsulfoxylat lässt sich in manchen Fällen wegen seiner   Wasserlöslichkeit   mit Vorteil an Stelle des   schwerlös-   lichen Zinksalzes verwenden.



   <Desc / Clms Page number 1>
 



  Process for the deposition of crystallized monozinc formaldehyde sulfoxylate.
 EMI1.1
 water-containing form as well as anhydride exists (Reports 1909 [42]. page 4637.



    Anise. 1), a sparingly soluble powder, which is known under the name. If, on the other hand, one vaporizes solutions which contain the monozinc salt corresponding to the usual sodium formaldehyde sulfoxylate, a viscous syrup is obtained, regardless of whether this zinc salt was in solution alone or together with some other salts, such as formaldehyde zinc bisulfite Upon discovery, it solidified to a glassy mass.



   It has now been found that this Monozincformaldehydsnlfoxylat can be obtained from its aqueous solutions in crystals, if the solutions are best
 EMI1.2
 be brought into the evaporation vessel containing the saturated solution. When crystals have started to separate from the aqueous solution after inoculation.
 EMI1.3
 the crystals no longer takes place. You suck or spin, wash with alcohol and dry in a vacuum.
 EMI1.4
 emanate from salts or from those which contain other salts at the same time. In a simple way you can z. B.

   Solutions of the easily accessible zinc formaldehyde sulfite, that is
 EMI1.5
 

 <Desc / Clms Page number 2>

   Use monozinc salt obtained from the sparingly soluble zinc salt by adding the appropriate amount of acid or from the sodium formaldehyde sulfoxylate by reacting it with a zinc salt in an aqueous solution, whereupon the evaporation either, as when using zinc sulfate, first precipitates the sparingly soluble sodium sulfate, which is removed or, as when using zinc chloride, the monozinc formaldehyde sulfoxylate is obtained straight away.



   The monozinc formaldehyde sulfoxylate obtained by the present process can in some cases be used with advantage instead of the sparingly soluble zinc salt because of its water solubility.

 

Claims (1)

PATENT-ANSPRUCH : EMI2.1 nach erreichter Sättigung mit Kristallen von festem Monozinkformaldehydsulfoxylat in Berührung kommt, worauf man zweckmässig noch weiter eindampft. PATENT CLAIM: EMI2.1 after saturation is reached, it comes into contact with crystals of solid monozinc formaldehyde sulfoxylate, whereupon it is expedient to continue to evaporate.
AT58922D 1911-04-08 1911-08-14 Process for the deposition of crystallized monozinc formaldehyde sulfoxylate. AT58922B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE58922X 1911-04-08

Publications (1)

Publication Number Publication Date
AT58922B true AT58922B (en) 1913-05-10

Family

ID=5629773

Family Applications (1)

Application Number Title Priority Date Filing Date
AT58922D AT58922B (en) 1911-04-08 1911-08-14 Process for the deposition of crystallized monozinc formaldehyde sulfoxylate.

Country Status (1)

Country Link
AT (1) AT58922B (en)

Similar Documents

Publication Publication Date Title
AT58922B (en) Process for the deposition of crystallized monozinc formaldehyde sulfoxylate.
CH419083A (en) Process for the production of new adducts
DE578213C (en) Process for the production of water-soluble antimony salts
DE338427C (en) Process for the preparation of addition products of hexamethylenetetramine
DE180529C (en)
DE728036C (en) Process for the preparation of 3,5-substituted 2,4-dioxooxazolidines
DE263455C (en)
AT67673B (en) Process for the preparation of alkaline albumose silver compounds.
DE248253C (en)
DE344707C (en) Process for the preparation of compounds of casein
AT97145B (en) Process for the preparation of mercury salts of complex bismuthic acids.
AT153203B (en) Process for the preparation of water-soluble mercury compounds.
DE964092C (en) Process for the production of long-lasting solutions of rhodanic acid and / or of acidic solutions of rhodanides which are suitable for disinfection purposes
DE555165C (en) Production of potassium nitrate from aluminum nitrate and potassium chloride in a cycle
DE650221C (en) Process for the preparation of water-soluble complex alkali rhodium nitrites
DE374097C (en) Process for the production of double compounds from caffeine which are easily soluble in water
DE374099C (en) Process for the preparation of a compound of aluminum with salicylic acid, which is easily soluble in water
AT63826B (en) Device for the production of aromatic stibic acids.
DE422076C (en) Process for the preparation of salts of nitrogen-halogen-substituted arylsulfonamides
AT140224B (en) Process for the preparation of water-soluble organic calcium compounds.
AT73580B (en) Process for the preparation of boroformates of alkalis.
AT155477B (en) Process for the production of water-soluble calcium double compounds of ascorbic acid.
AT97146B (en) Process for the preparation of bismuth salts of mercured organic compounds containing an acid residue.
DE860202C (en) Process for the production of crystallized aluminum triformate from its oversaturated aqueous solution
DE696404C (en) Process for the preparation of a hexylresorcinol sulfonic acid