发明公开
EP2550239A1 VERFAHREN ZUR HERSTELLUNG VON CHROM(III)-OXID 有权
用于生产三氧化二铬

VERFAHREN ZUR HERSTELLUNG VON CHROM(III)-OXID
摘要:
The invention relates to a method for producing chromium(III) oxide by reacting alkali metal chromate with gaseous ammonia, subsequently hydrolyzing, separating the hydrolyzed product, and calcining.
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