Ascorvit ascorbic acid
(vit. C) Used to prevent the oxidation of juices, wines and beers. Dosage: 0.5 g / 10 l juice or wine.
The acidity of must/wine is always expressed in grams of tartaric acid/litre. In French books, you will find the acidity expressed in sulphuric acid ÷ 1.53. Acidity as tartaric acid = acidity as sulphuric acid x 1.53.