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dann von der Mutterlauge getrennt.
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then separated from the mother liquor.
Claims (1)
W PATENT-ANSPRUCH : Abänderung des durch das Zusatz-Patent Nr. 21319 geschützten Verfahrens der Darstellung haltbarer, kristallwasserfreier Hydrosulfite durch Aussalzen mit Ätzalkalien in fester oder gelöster Form, dadurch gekennzeichnet, dass das Aussalzen bei einer 300 C nicht wesentlich übersteigenden Temperatur in der Weise geschieht, dass die Konzentration der entstehenden Alkalilauge unter zirka zoo nicht wesentlich herabsinkt.
W PATENT CLAIM: Modification of the process, protected by the additional patent No. 21319, of the preparation of durable hydrosulfites free of water of crystallization by salting out with caustic alkalis in solid or dissolved form, characterized in that the salting out at a temperature not significantly exceeding 300 C in the manner happens that the concentration of the resulting alkali does not drop significantly below about zoo.
AT29815D1904-04-051906-11-16
Process for the preparation of durable hydrosulfites.
AT29815B
(en)