Sulfuric Acid → Sodium Sulfate

HRID 275242

Reaktionsgleichung

Reaktionsgleichung von HRID 275242
[Cr:1]([O-:5])([O-:4])(=[O:3])=[O:2].[Na+:6].[Na+].[S:8](=[O:12])(=[O:11])([OH:10])[OH:9]>>[O-:2][Cr:1]([O:5][Cr:1]([O-:4])(=[O:3])=[O:2])(=[O:4])=[O:3].[Na+:6].[Na+:6].[S:8]([O-:12])([O-:11])(=[O:10])=[O:9].[Na+:6].[Na+:6]

Komponenten

4

Edukt 2

HCID 1118Sulfuric AcidHCID 24488Sodium Chromate

Produkt 2

HCID 24436Sodium SulfateHCID 25408Sodium Dichromate

Versuchsvorschrift

In a first process wherein sodium chromate is reacted with aqueous sulfuric acid to produce an aqueous solution of sodium bichromate and solid sodium sulfate contaminated with hexavalent chromium, and said solid sodium sulfate is separated from said solution, and in a second process wherein said sodium bichromate is reacted with aqueous sulfuric acid to produce chromic acid, which precipitates, and an aqueous solution of sodium bisulfate contaminated with hexavalent chromium, the improvement comprising

Quellen und Nachweise

ORD-Eintrag
ord-b12c629039444b3dabbfa548830ce306
Quelldatensatz
uspto-grants-1995_02
Patentnummer
US05393503

Verknüpfte Notizen

Wird geladen…