SE363498

SE363498

Production of highly pure anhydrous sodium dithionite in a high yield by reaction of sodium formate or a mixture of sodium formate and a sodium compound with sulfurous anhydride can be attained by using an aqueous solution of methanol as a reaction medium, whose temperature is elevated to cause refl...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: YASUNAGA I,JA, YASUE M,JA, ARUGA M,JA, SAITO S,JA, MAEDA S,JA
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:Production of highly pure anhydrous sodium dithionite in a high yield by reaction of sodium formate or a mixture of sodium formate and a sodium compound with sulfurous anhydride can be attained by using an aqueous solution of methanol as a reaction medium, whose temperature is elevated to cause reflux, and feeding sulfurous anhydride into the reflux liquid, whereby sulfurous anhydride being introduced into the reaction mixture.