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free sulfite is removed by oxidation and the rest of substances (I) that are able to react with the chromogen are measured
To eliminate interferences ascorbic acid is eliminated from the sample by oxidation to dehydroascorbic acid (ascorbate oxidase [AO])
Limit of detection: 2
Gluten is found in certain cereal grains as a group of structural proteins
Limit of detection: 60 mg/l (ppm)
Color, reagent kit for wine, cider, kombucha and beer Fish & Seafood free sulfite is removed byColorimetric analysis for color determination Kit volume: 80 ml Method: End point mono reagent at 420, 520 and 620 nm Limit of linearity: 18 (A420, A520 and A620) Limit of detection: 0. 113 (A420, 0. 144 (A520) and 0. 121 (A620) Advantages Stable liquid reagent until the expiration date Ready to use dedicated reagent Wine color plays a major role in the impression of quality. Color is also an important indicator in many winemaking pro cesses. Regular
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