Sulfuric Acid → Sodium Sulfate

HRID 275242

반응식

[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]

참가 물질

반응물 2

HCID 1118Sulfuric Acid

HCID 24488Sodium Chromate

생성물 2

HCID 24436Sodium Sulfate

HCID 25408Sodium Dichromate

실험 절차

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

출처 및 근거

ORD 기록: ord-b12c629039444b3dabbfa548830ce306
출처 데이터셋: uspto-grants-1995_02
DOI: 10.6084/m9.figshare.5104873.v1
특허 번호: US05393503

연결된 노트

불러오는 중…