Sulfuric Acid → Sodium Sulfate

참여 물질

반응 단계

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

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