Ascorbic acid, reagent kit for wine

12828

Kit volume: 90 ml
Method: Two-reagent differential at 560 nm
Limit of linearity: 1000 ml/l
Limit of detection: 1.11 mg/l (ppm)
Ascorbic acid is a compound found in ripe grapes at very low levels compared with other acids (30-60 mg/L). It disappears rapidly when grapes are crushed, leading to early oxidation of must. Due to its reducing properties, ascorbic acid is used as an antioxidant.