| 摘要 |
<p>The invention relates to a process for stabilizing red wine. According to the invention, the process consists of the wine sulphitation up to a level of 40...50 mg/l of free sulphur dioxide, afterwards there is determined the iron, copper and hydrogen cyanide content, wherefrom the yellow prussiate of potash dose required for demetallization is established, said dose being applied dropwise while continuously stirring, followed by the determining the total iron, remaining copper and total hydrogen cyanide content, clarification and filtration, to result in a stable product having a residual iron content of 4...5 mg/l and a remaining copper content of maximum 1 mg/l.</p> |
