Sulfuric Acid → Sodium Dichromate

HRID 440624

Reaction equation

HRID 440624 reaction equation
S([O-])([O-])(=O)=O.[Na+:6].[Na+].[Cr:8]([O-:12])([O-:11])(=[O:10])=[O:9].[Na+].[Na+].S(=O)(=O)(O)O.S(=O)(=O)(O)[O-].[Na+]>>[O-:9][Cr:8]([O:12][Cr:8]([O-:11])(=[O:10])=[O:9])(=[O:11])=[O:10].[Na+:6].[Na+:6]

Participants

5

Reactant 4

HCID 1118Sulfuric AcidHCID 24436Sodium SulfateHCID 24488Sodium ChromateHCID 516919Sodium Bisulfate

Product 1

HCID 25408Sodium Dichromate

Procedure

A process according to claim 7 wherein said aqueous solution of sodium sulfate is produced by treating an aqueous solution of sodium chromate with sulfuric acid, sodium bisulfate, or a mixture thereof to produce sodium bichromate, evaporating water to precipitate sodium sulfate cake, and separating said precipitated sodium sulfate from said aqueous solution of sodium sulfate.

Workup

  1. customis produced

Sources & evidence

ORD record
ord-9af54929fada4672a082fa9253912e16
Source dataset
uspto-grants-1996_05
Patent number
US05520902

Linked notes

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